15125170625 has 20 divisors (see below), whose sum is σ = 18999518208. Its totient is φ = 12036690000.

The previous prime is 15125170607. The next prime is 15125170649. The reversal of 15125170625 is 52607152151.

It is not a de Polignac number, because 15125170625 - 2¹⁰ = 15125169601 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 56024 + ... + 182726.

Almost surely, 2^15125170625 is an apocalyptic number.

It is an amenable number.

15125170625 is a deficient number, since it is larger than the sum of its proper divisors (3874347583).

15125170625 is an equidigital number, since it uses as much as digits as its factorization.

15125170625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126914 (or 126899 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 35.

The spelling of 15125170625 in words is "fifteen billion, one hundred twenty-five million, one hundred seventy thousand, six hundred twenty-five".