13102523125 has 10 divisors (see below), whose sum is σ = 16372913678. Its totient is φ = 10482018000.

The previous prime is 13102523111. The next prime is 13102523141. The reversal of 13102523125 is 52132520131.

It can be written as a sum of positive squares in 5 ways, for example, as 9208513521 + 3894009604 = 95961^2 + 62402^2 .

It is not a de Polignac number, because 13102523125 - 2²³ = 13094134517 is a prime.

It is a super-2 number, since 2×13102523125² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13102523125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10481394 + ... + 10482643.

Almost surely, 2^13102523125 is an apocalyptic number.

It is an amenable number.

13102523125 is a deficient number, since it is larger than the sum of its proper divisors (3270390553).

13102523125 is an frugal number, since it uses more digits than its factorization.

13102523125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20964057 (or 20964042 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 13102523125 in words is "thirteen billion, one hundred two million, five hundred twenty-three thousand, one hundred twenty-five".