102560856564 has 12 divisors (see below), whose sum is σ = 239308665344. Its totient is φ = 34186952184.

The previous prime is 102560856547. The next prime is 102560856583. The reversal of 102560856564 is 465658065201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 4273369012 + ... + 4273369035.

Almost surely, 2^102560856564 is an apocalyptic number.

It is an amenable number.

102560856564 is an abundant number, since it is smaller than the sum of its proper divisors (136747808780).

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

102560856564 is a wasteful number, since it uses less digits than its factorization.

102560856564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8546738054 (or 8546738052 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 102560856564 in words is "one hundred two billion, five hundred sixty million, eight hundred fifty-six thousand, five hundred sixty-four".