56816367211 has 4 divisors (see below), whose sum is σ = 56817028800. Its totient is φ = 56815705624.

The previous prime is 56816367193. The next prime is 56816367221. The reversal of 56816367211 is 11276361865.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56816367211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56816367221) 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, 178651 + ... + 381508.

It is an arithmetic number, because the mean of its divisors is an integer number (14204257200).

Almost surely, 2^56816367211 is an apocalyptic number.

56816367211 is a deficient number, since it is larger than the sum of its proper divisors (661589).

56816367211 is a wasteful number, since it uses less digits than its factorization.

56816367211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661588.

The product of its digits is 362880, while the sum is 46.

The spelling of 56816367211 in words is "fifty-six billion, eight hundred sixteen million, three hundred sixty-seven thousand, two hundred eleven".