25164327680560 has 20 divisors (see below), whose sum is σ = 58507061857488. Its totient is φ = 10065731072192.

The previous prime is 25164327680539. The next prime is 25164327680587. The reversal of 25164327680560 is 6508672346152.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×25164327680560² (a number of 28 digits) contains 22 as substring.

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, 157277047924 + ... + 157277048083.

Almost surely, 2^{25164327680560} is an apocalyptic number.

25164327680560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25164327680560 is an abundant number, since it is smaller than the sum of its proper divisors (33342734176928).

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

25164327680560 is a wasteful number, since it uses less digits than its factorization.

25164327680560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314554096020 (or 314554096014 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 55.

The spelling of 25164327680560 in words is "twenty-five trillion, one hundred sixty-four billion, three hundred twenty-seven million, six hundred eighty thousand, five hundred sixty".