25200407912 has 16 divisors (see below), whose sum is σ = 50030221860. Its totient is φ = 11859015424.

The previous prime is 25200407893. The next prime is 25200407941. The reversal of 25200407912 is 21970400252.

It can be written as a sum of positive squares in 2 ways, for example, as 24972216676 + 228191236 = 158026^2 + 15106^2 .

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, 92648423 + ... + 92648694.

Almost surely, 2^25200407912 is an apocalyptic number.

It is an amenable number.

25200407912 is a deficient number, since it is larger than the sum of its proper divisors (24829813948).

25200407912 is a wasteful number, since it uses less digits than its factorization.

25200407912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185297140 (or 185297136 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 25200407912 in words is "twenty-five billion, two hundred million, four hundred seven thousand, nine hundred twelve".