25612585608864 has 96 divisors (see below), whose sum is σ = 68620186091520. Its totient is φ = 8363084550912.

The previous prime is 25612585608847. The next prime is 25612585608877. The reversal of 25612585608864 is 46880658521652.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 25612585608795 and 25612585608804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12332844 + ... + 14259179.

It is an arithmetic number, because the mean of its divisors is an integer number (714793605120).

Almost surely, 2^{25612585608864} is an apocalyptic number.

25612585608864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25612585608864 is an abundant number, since it is smaller than the sum of its proper divisors (43007600482656).

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

25612585608864 is a wasteful number, since it uses less digits than its factorization.

25612585608864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26592242 (or 26592234 counting only the distinct ones).

The product of its (nonzero) digits is 221184000, while the sum is 66.

The spelling of 25612585608864 in words is "twenty-five trillion, six hundred twelve billion, five hundred eighty-five million, six hundred eight thousand, eight hundred sixty-four".