56117213641171 has 4 divisors (see below), whose sum is σ = 56119231040152. Its totient is φ = 56115196242192.

The previous prime is 56117213641169. The next prime is 56117213641189. The reversal of 56117213641171 is 17114631271165.

It is a happy number.

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 56117213641171 - 2¹ = 56117213641169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56117513641171) 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, 1008657765 + ... + 1008713398.

It is an arithmetic number, because the mean of its divisors is an integer number (14029807760038).

Almost surely, 2^{56117213641171} is an apocalyptic number.

56117213641171 is a deficient number, since it is larger than the sum of its proper divisors (2017398981).

56117213641171 is a wasteful number, since it uses less digits than its factorization.

56117213641171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017398980.

The product of its digits is 211680, while the sum is 46.

The spelling of 56117213641171 in words is "fifty-six trillion, one hundred seventeen billion, two hundred thirteen million, six hundred forty-one thousand, one hundred seventy-one".