56117137271 has 16 divisors (see below), whose sum is σ = 63450895200. Its totient is φ = 49267709568.

The previous prime is 56117137267. The next prime is 56117137291. The reversal of 56117137271 is 17273171165.

It is a cyclic number.

It is not a de Polignac number, because 56117137271 - 2² = 56117137267 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 (56117137231) 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, 1085576 + ... + 1136093.

It is an arithmetic number, because the mean of its divisors is an integer number (3965680950).

Almost surely, 2^56117137271 is an apocalyptic number.

56117137271 is a deficient number, since it is larger than the sum of its proper divisors (7333757929).

56117137271 is a wasteful number, since it uses less digits than its factorization.

56117137271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221778.

The product of its digits is 61740, while the sum is 41.

The spelling of 56117137271 in words is "fifty-six billion, one hundred seventeen million, one hundred thirty-seven thousand, two hundred seventy-one".