525120110125 has 16 divisors (see below), whose sum is σ = 705761430192. Its totient is φ = 387781003200.

The previous prime is 525120110113. The next prime is 525120110143. The reversal of 525120110125 is 521011021525.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 421530756516 + 103589353609 = 649254^2 + 321853^2 .

It is a de Polignac number, because none of the positive numbers 2^k-525120110125 is a prime.

It is a super-2 number, since 2×525120110125² (a number of 24 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 525120110125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161573794 + ... + 161577043.

It is an arithmetic number, because the mean of its divisors is an integer number (44110089387).

Almost surely, 2^525120110125 is an apocalyptic number.

It is an amenable number.

525120110125 is a deficient number, since it is larger than the sum of its proper divisors (180641320067).

525120110125 is a wasteful number, since it uses less digits than its factorization.

525120110125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323150865 (or 323150855 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 25.

The spelling of 525120110125 in words is "five hundred twenty-five billion, one hundred twenty million, one hundred ten thousand, one hundred twenty-five".