125152010100521 has 16 divisors (see below), whose sum is σ = 127897059628800. Its totient is φ = 122410395059328.

The previous prime is 125152010100451. The next prime is 125152010100563. The reversal of 125152010100521 is 125001010251521.

It is not a de Polignac number, because 125152010100521 - 2³⁰ = 125150936358697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125152010100121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2334506765 + ... + 2334560373.

It is an arithmetic number, because the mean of its divisors is an integer number (7993566226800).

Almost surely, 2^{125152010100521} is an apocalyptic number.

It is an amenable number.

125152010100521 is a deficient number, since it is larger than the sum of its proper divisors (2745049528279).

125152010100521 is a wasteful number, since it uses less digits than its factorization.

125152010100521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84688.

The product of its (nonzero) digits is 1000, while the sum is 26.

The spelling of 125152010100521 in words is "one hundred twenty-five trillion, one hundred fifty-two billion, ten million, one hundred thousand, five hundred twenty-one".