125024031513 has 6 divisors (see below), whose sum is σ = 180590267754. Its totient is φ = 83349354336.

The previous prime is 125024031443. The next prime is 125024031521. The reversal of 125024031513 is 315130420521.

125024031513 is a `hidden beast` number, since 1 + 2 + 502 + 4 + 0 + 3 + 151 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 124078653504 + 945378009 = 352248^2 + 30747^2 .

It is not a de Polignac number, because 125024031513 - 2⁹ = 125024031001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125024031113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6945779520 + ... + 6945779537.

It is an arithmetic number, because the mean of its divisors is an integer number (30098377959).

Almost surely, 2^125024031513 is an apocalyptic number.

It is an amenable number.

125024031513 is a deficient number, since it is larger than the sum of its proper divisors (55566236241).

125024031513 is a wasteful number, since it uses less digits than its factorization.

125024031513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13891559063 (or 13891559060 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 125024031513 in words is "one hundred twenty-five billion, twenty-four million, thirty-one thousand, five hundred thirteen".