251045201025152 has 64 divisors (see below), whose sum is σ = 521880661670400. Its totient is φ = 120063530256384.

The previous prime is 251045201025149. The next prime is 251045201025287. The reversal of 251045201025152 is 251520102540152.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243386924 + ... + 244416212.

It is an arithmetic number, because the mean of its divisors is an integer number (8154385338600).

Almost surely, 2^{251045201025152} is an apocalyptic number.

It is an amenable number.

251045201025152 is an abundant number, since it is smaller than the sum of its proper divisors (270835460645248).

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

251045201025152 is a wasteful number, since it uses less digits than its factorization.

251045201025152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112173 (or 1112161 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 35.

The spelling of 251045201025152 in words is "two hundred fifty-one trillion, forty-five billion, two hundred one million, twenty-five thousand, one hundred fifty-two".