56081352388512 has 96 divisors (see below), whose sum is σ = 160603317846720. Its totient is φ = 16993638328320.

The previous prime is 56081352388499. The next prime is 56081352388549. The reversal of 56081352388512 is 21588325318065.

It is a happy number.

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

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24423798 + ... + 26621130.

It is an arithmetic number, because the mean of its divisors is an integer number (1672951227570).

Almost surely, 2^{56081352388512} is an apocalyptic number.

It is an amenable number.

56081352388512 is an abundant number, since it is smaller than the sum of its proper divisors (104521965458208).

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

56081352388512 is a wasteful number, since it uses less digits than its factorization.

56081352388512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221526 (or 2221518 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 57.

The spelling of 56081352388512 in words is "fifty-six trillion, eighty-one billion, three hundred fifty-two million, three hundred eighty-eight thousand, five hundred twelve".