25107382856 has 32 divisors (see below), whose sum is σ = 48977633280. Its totient is φ = 12053059200.

The previous prime is 25107382753. The next prime is 25107382871. The reversal of 25107382856 is 65828370152.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25107382856.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367085 + ... + 430076.

It is an arithmetic number, because the mean of its divisors is an integer number (1530551040).

Almost surely, 2^25107382856 is an apocalyptic number.

It is an amenable number.

25107382856 is a deficient number, since it is larger than the sum of its proper divisors (23870250424).

25107382856 is a wasteful number, since it uses less digits than its factorization.

25107382856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797325 (or 797321 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 25107382856 in words is "twenty-five billion, one hundred seven million, three hundred eighty-two thousand, eight hundred fifty-six".