56166725311 has 8 divisors (see below), whose sum is σ = 58545713840. Its totient is φ = 53833051008.

The previous prime is 56166725297. The next prime is 56166725359. The reversal of 56166725311 is 11352766165.

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 56166725311 - 2¹⁹ = 56166201023 is a prime.

It is a super-2 number, since 2×56166725311² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56166725611) 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, 11326026 + ... + 11330983.

It is an arithmetic number, because the mean of its divisors is an integer number (7318214230).

Almost surely, 2^56166725311 is an apocalyptic number.

56166725311 is a deficient number, since it is larger than the sum of its proper divisors (2378988529).

56166725311 is a wasteful number, since it uses less digits than its factorization.

56166725311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22657113.

The product of its digits is 226800, while the sum is 43.

The spelling of 56166725311 in words is "fifty-six billion, one hundred sixty-six million, seven hundred twenty-five thousand, three hundred eleven".