525516525315 has 12 divisors (see below), whose sum is σ = 910895310624. Its totient is φ = 280275480144.

The previous prime is 525516525229. The next prime is 525516525319. The reversal of 525516525315 is 513525615525.

525516525315 is a `hidden beast` number, since 5 + 2 + 5 + 51 + 65 + 2 + 531 + 5 = 666.

It is not a de Polignac number, because 525516525315 - 2⁷ = 525516525187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 11678145007 = 525516525315 / (5 + 2 + 5 + 5 + 1 + 6 + 5 + 2 + 5 + 3 + 1 + 5).

It is not an unprimeable number, because it can be changed into a prime (525516525319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5839072459 + ... + 5839072548.

It is an arithmetic number, because the mean of its divisors is an integer number (75907942552).

Almost surely, 2^525516525315 is an apocalyptic number.

525516525315 is a deficient number, since it is larger than the sum of its proper divisors (385378785309).

525516525315 is a wasteful number, since it uses less digits than its factorization.

525516525315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11678145018 (or 11678145015 counting only the distinct ones).

The product of its digits is 1125000, while the sum is 45.

The spelling of 525516525315 in words is "five hundred twenty-five billion, five hundred sixteen million, five hundred twenty-five thousand, three hundred fifteen".