56179756123 has 4 divisors (see below), whose sum is σ = 56186143920. Its totient is φ = 56173368328.

The previous prime is 56179756121. The next prime is 56179756177. The reversal of 56179756123 is 32165797165.

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 56179756123 - 2¹ = 56179756121 is a prime.

It is a super-2 number, since 2×56179756123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56179756121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3180688 + ... + 3198301.

It is an arithmetic number, because the mean of its divisors is an integer number (14046535980).

Almost surely, 2^56179756123 is an apocalyptic number.

56179756123 is a deficient number, since it is larger than the sum of its proper divisors (6387797).

56179756123 is an equidigital number, since it uses as much as digits as its factorization.

56179756123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6387796.

The product of its digits is 2381400, while the sum is 52.

The spelling of 56179756123 in words is "fifty-six billion, one hundred seventy-nine million, seven hundred fifty-six thousand, one hundred twenty-three".