12456056564055 has 24 divisors (see below), whose sum is σ = 23251305587328. Its totient is φ = 6132212462016.

The previous prime is 12456056564011. The next prime is 12456056564071. The reversal of 12456056564055 is 55046565065421.

12456056564055 is a `hidden beast` number, since 1 + 2 + 456 + 0 + 56 + 56 + 40 + 55 = 666.

It is not a de Polignac number, because 12456056564055 - 2¹⁵ = 12456056531287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12456056563992 and 12456056564010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10646201607 + ... + 10646202776.

It is an arithmetic number, because the mean of its divisors is an integer number (968804399472).

Almost surely, 2^{12456056564055} is an apocalyptic number.

12456056564055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12456056564055 is a deficient number, since it is larger than the sum of its proper divisors (10795249023273).

12456056564055 is a wasteful number, since it uses less digits than its factorization.

12456056564055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21292404407 (or 21292404404 counting only the distinct ones).

The product of its (nonzero) digits is 21600000, while the sum is 54.

The spelling of 12456056564055 in words is "twelve trillion, four hundred fifty-six billion, fifty-six million, five hundred sixty-four thousand, fifty-five".