45515555251340 has 48 divisors (see below), whose sum is σ = 101207355342912. Its totient is φ = 17134898835456.

The previous prime is 45515555251303. The next prime is 45515555251399. The reversal of 45515555251340 is 4315255551554.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14632484 + ... + 17468276.

It is an arithmetic number, because the mean of its divisors is an integer number (2108486569644).

Almost surely, 2^{45515555251340} is an apocalyptic number.

It is an amenable number.

45515555251340 is an abundant number, since it is smaller than the sum of its proper divisors (55691800091572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45515555251340 is a wasteful number, since it uses less digits than its factorization.

45515555251340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883026 (or 2883024 counting only the distinct ones).

The product of its (nonzero) digits is 7500000, while the sum is 50.

The spelling of 45515555251340 in words is "forty-five trillion, five hundred fifteen billion, five hundred fifty-five million, two hundred fifty-one thousand, three hundred forty".