25525303056 has 120 divisors (see below), whose sum is σ = 80616893760. Its totient is φ = 7468204800.

The previous prime is 25525303049. The next prime is 25525303079. The reversal of 25525303056 is 65030352552.

25525303056 is a `hidden beast` number, since 2 + 552 + 53 + 0 + 3 + 0 + 56 = 666.

It is a super-2 number, since 2×25525303056² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 25525303056.

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, 231900 + ... + 323771.

It is an arithmetic number, because the mean of its divisors is an integer number (671807448).

Almost surely, 2^25525303056 is an apocalyptic number.

It is an amenable number.

25525303056 is an abundant number, since it is smaller than the sum of its proper divisors (55091590704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25525303056 is a wasteful number, since it uses less digits than its factorization.

25525303056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555725 (or 555716 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The spelling of 25525303056 in words is "twenty-five billion, five hundred twenty-five million, three hundred three thousand, fifty-six".