25771133013872 has 40 divisors (see below), whose sum is σ = 52870148210016. Its totient is φ = 12127264710656.

The previous prime is 25771133013869. The next prime is 25771133013881. The reversal of 25771133013872 is 27831033117752.

It is a self number, because there is not a number n which added to its sum of digits gives 25771133013872.

It is a congruent number.

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, 8969408 + ... + 11488800.

Almost surely, 2^{25771133013872} is an apocalyptic number.

It is an amenable number.

25771133013872 is an abundant number, since it is smaller than the sum of its proper divisors (27099015196144).

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

25771133013872 is a wasteful number, since it uses less digits than its factorization.

25771133013872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557025 (or 2557019 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 25771133013872 in words is "twenty-five trillion, seven hundred seventy-one billion, one hundred thirty-three million, thirteen thousand, eight hundred seventy-two".