In this paper, we first investigate several further interesting properties of the
multiple Hurwitz–Lerch
Zeta function Φn(
z,
s,
a) which was introduced recently by Choi et al. [J. Choi, D.S. Jang, H.M. Srivastava, A generalization of the Hurwitz–Lerch Zeta
function, Integral Transform. Spec. Funct., 19 (2008)]. We then introduce and investigate some
q-extensions of the
multiple Hurwitz–Lerch Zeta
function Φn(
z,
s,
a), the Apostol–Bernoulli polynomials
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of order
n, and the Apostol–Euler polynomials
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of order
n. Relevant connections of the results presented here with those obtained in earlier works are also indicated precisely.