56117617828179 has 16 divisors (see below), whose sum is σ = 74832029407872. Its totient is φ = 37407476055488.

The previous prime is 56117617828177. The next prime is 56117617828189. The reversal of 56117617828179 is 97182871671165.

It is a cyclic number.

It is not a de Polignac number, because 56117617828179 - 2¹ = 56117617828177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56117617828171) 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, 1733989252 + ... + 1734021614.

It is an arithmetic number, because the mean of its divisors is an integer number (4677001837992).

Almost surely, 2^{56117617828179} is an apocalyptic number.

56117617828179 is a deficient number, since it is larger than the sum of its proper divisors (18714411579693).

56117617828179 is a wasteful number, since it uses less digits than its factorization.

56117617828179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80466.

The product of its digits is 71124480, while the sum is 69.

The spelling of 56117617828179 in words is "fifty-six trillion, one hundred seventeen billion, six hundred seventeen million, eight hundred twenty-eight thousand, one hundred seventy-nine".