56065844907181 has 16 divisors (see below), whose sum is σ = 61945920215424. Its totient is φ = 50472745506304.

The previous prime is 56065844907169. The next prime is 56065844907199. The reversal of 56065844907181 is 18170944856065.

It is a cyclic number.

It is not a de Polignac number, because 56065844907181 - 2⁴³ = 47269751884973 is a prime.

It is a super-2 number, since 2×56065844907181² (a number of 28 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 (56065844905181) 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, 22518486 + ... + 24884008.

It is an arithmetic number, because the mean of its divisors is an integer number (3871620013464).

Almost surely, 2^{56065844907181} is an apocalyptic number.

It is an amenable number.

56065844907181 is a deficient number, since it is larger than the sum of its proper divisors (5880075308243).

56065844907181 is a wasteful number, since it uses less digits than its factorization.

56065844907181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426180.

The product of its (nonzero) digits is 58060800, while the sum is 64.

The spelling of 56065844907181 in words is "fifty-six trillion, sixty-five billion, eight hundred forty-four million, nine hundred seven thousand, one hundred eighty-one".