25583137872 has 80 divisors (see below), whose sum is σ = 70574292480. Its totient is φ = 7968038400.

The previous prime is 25583137861. The next prime is 25583137919. The reversal of 25583137872 is 27873138552.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

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, 253279 + ... + 339582.

It is an arithmetic number, because the mean of its divisors is an integer number (882178656).

Almost surely, 2^25583137872 is an apocalyptic number.

It is an amenable number.

25583137872 is an abundant number, since it is smaller than the sum of its proper divisors (44991154608).

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

25583137872 is a wasteful number, since it uses less digits than its factorization.

25583137872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592932 (or 592926 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 51.

The spelling of 25583137872 in words is "twenty-five billion, five hundred eighty-three million, one hundred thirty-seven thousand, eight hundred seventy-two".