125013902525 has 24 divisors (see below), whose sum is σ = 160426283400. Its totient is φ = 96524153600.

The previous prime is 125013902513. The next prime is 125013902557. The reversal of 125013902525 is 525209310521.

It can be written as a sum of positive squares in 12 ways, for example, as 10313824249 + 114700078276 = 101557^2 + 338674^2 .

It is not a de Polignac number, because 125013902525 - 2²² = 125009708221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1867331 + ... + 1933119.

It is an arithmetic number, because the mean of its divisors is an integer number (6684428475).

Almost surely, 2^125013902525 is an apocalyptic number.

It is an amenable number.

125013902525 is a deficient number, since it is larger than the sum of its proper divisors (35412380875).

125013902525 is a wasteful number, since it uses less digits than its factorization.

125013902525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68449 (or 68444 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 125013902525 in words is "one hundred twenty-five billion, thirteen million, nine hundred two thousand, five hundred twenty-five".