25461812996 has 24 divisors (see below), whose sum is σ = 45794985600. Its totient is φ = 12378020832.

The previous prime is 25461812941. The next prime is 25461813001. The reversal of 25461812996 is 69921816452.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

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, 150155 + ... + 271053.

It is an arithmetic number, because the mean of its divisors is an integer number (1908124400).

Almost surely, 2^25461812996 is an apocalyptic number.

It is an amenable number.

25461812996 is a deficient number, since it is larger than the sum of its proper divisors (20333172604).

25461812996 is a wasteful number, since it uses less digits than its factorization.

25461812996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122363 (or 122361 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 53.

The spelling of 25461812996 in words is "twenty-five billion, four hundred sixty-one million, eight hundred twelve thousand, nine hundred ninety-six".