56111166573 has 16 divisors (see below), whose sum is σ = 93275705856. Its totient is φ = 29148657840.

The previous prime is 56111166571. The next prime is 56111166611. The reversal of 56111166573 is 37566111165.

56111166573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56111166573 - 2¹ = 56111166571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56111166571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121452511 + ... + 121452972.

It is an arithmetic number, because the mean of its divisors is an integer number (5829731616).

Almost surely, 2^56111166573 is an apocalyptic number.

It is an amenable number.

56111166573 is a deficient number, since it is larger than the sum of its proper divisors (37164539283).

56111166573 is a wasteful number, since it uses less digits than its factorization.

56111166573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242905504.

The product of its digits is 113400, while the sum is 42.

The spelling of 56111166573 in words is "fifty-six billion, one hundred eleven million, one hundred sixty-six thousand, five hundred seventy-three".