25019797076264 has 32 divisors (see below), whose sum is σ = 49681730635200. Its totient is φ = 11771634082560.

The previous prime is 25019797076249. The next prime is 25019797076291. The reversal of 25019797076264 is 46267079791052.

It is a self number, because there is not a number n which added to its sum of digits gives 25019797076264.

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, 17983724 + ... + 19324955.

It is an arithmetic number, because the mean of its divisors is an integer number (1552554082350).

Almost surely, 2^{25019797076264} is an apocalyptic number.

It is an amenable number.

25019797076264 is a deficient number, since it is larger than the sum of its proper divisors (24661933558936).

25019797076264 is a wasteful number, since it uses less digits than its factorization.

25019797076264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37313633 (or 37313629 counting only the distinct ones).

The product of its (nonzero) digits is 80015040, while the sum is 65.

The spelling of 25019797076264 in words is "twenty-five trillion, nineteen billion, seven hundred ninety-seven million, seventy-six thousand, two hundred sixty-four".