56501240766771 has 4 divisors (see below), whose sum is σ = 75334987689032. Its totient is φ = 37667493844512.

The previous prime is 56501240766757. The next prime is 56501240766827. The reversal of 56501240766771 is 17766704210565.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 56501240766771 - 2⁵ = 56501240766739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56501240766701) 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, 9416873461126 + ... + 9416873461131.

It is an arithmetic number, because the mean of its divisors is an integer number (18833746922258).

Almost surely, 2^{56501240766771} is an apocalyptic number.

56501240766771 is a deficient number, since it is larger than the sum of its proper divisors (18833746922261).

56501240766771 is a wasteful number, since it uses less digits than its factorization.

56501240766771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18833746922260.

The product of its (nonzero) digits is 14817600, while the sum is 57.

The spelling of 56501240766771 in words is "fifty-six trillion, five hundred one billion, two hundred forty million, seven hundred sixty-six thousand, seven hundred seventy-one".