25566313364 has 12 divisors (see below), whose sum is σ = 44742450144. Its totient is φ = 12782756184.

The previous prime is 25566313321. The next prime is 25566313373. The reversal of 25566313364 is 46331366552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79187 + ... + 239589.

It is an arithmetic number, because the mean of its divisors is an integer number (3728537512).

Almost surely, 2^25566313364 is an apocalyptic number.

It is an amenable number.

25566313364 is a deficient number, since it is larger than the sum of its proper divisors (19176136780).

25566313364 is a wasteful number, since it uses less digits than its factorization.

25566313364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200254 (or 200252 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 44.

The spelling of 25566313364 in words is "twenty-five billion, five hundred sixty-six million, three hundred thirteen thousand, three hundred sixty-four".