56566500153121 has 16 divisors (see below), whose sum is σ = 67420797015040. Its totient is φ = 46437793827840.

The previous prime is 56566500153091. The next prime is 56566500153133. The reversal of 56566500153121 is 12135100566565.

56566500153121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56566500153121 - 2⁷ = 56566500152993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56566500151121) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1343665116 + ... + 1343707213.

It is an arithmetic number, because the mean of its divisors is an integer number (4213799813440).

Almost surely, 2^{56566500153121} is an apocalyptic number.

It is an amenable number.

56566500153121 is a deficient number, since it is larger than the sum of its proper divisors (10854296861919).

56566500153121 is a wasteful number, since it uses less digits than its factorization.

56566500153121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687372464.

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 56566500153121 in words is "fifty-six trillion, five hundred sixty-six billion, five hundred million, one hundred fifty-three thousand, one hundred twenty-one".