56217662111 has 8 divisors (see below), whose sum is σ = 60546047184. Its totient is φ = 51889841280.

The previous prime is 56217662107. The next prime is 56217662161. The reversal of 56217662111 is 11126671265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56217662111 - 2² = 56217662107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56217662161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78551 + ... + 344391.

It is an arithmetic number, because the mean of its divisors is an integer number (7568255898).

Almost surely, 2^56217662111 is an apocalyptic number.

56217662111 is a deficient number, since it is larger than the sum of its proper divisors (4328385073).

56217662111 is a wasteful number, since it uses less digits than its factorization.

56217662111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282121.

The product of its digits is 30240, while the sum is 38.

The spelling of 56217662111 in words is "fifty-six billion, two hundred seventeen million, six hundred sixty-two thousand, one hundred eleven".