56166524011 has 4 divisors (see below), whose sum is σ = 60487025872. Its totient is φ = 51846022152.

The previous prime is 56166523867. The next prime is 56166524059. The reversal of 56166524011 is 11042566165.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56166524011 - 2¹¹ = 56166521963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56166524081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2160250911 + ... + 2160250936.

It is an arithmetic number, because the mean of its divisors is an integer number (15121756468).

Almost surely, 2^56166524011 is an apocalyptic number.

56166524011 is a deficient number, since it is larger than the sum of its proper divisors (4320501861).

56166524011 is a wasteful number, since it uses less digits than its factorization.

56166524011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4320501860.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 56166524011 in words is "fifty-six billion, one hundred sixty-six million, five hundred twenty-four thousand, eleven".