56371131065 has 8 divisors (see below), whose sum is σ = 71205639360. Its totient is φ = 42723383472.

The previous prime is 56371131031. The next prime is 56371131077. The reversal of 56371131065 is 56013117365.

It is a happy number.

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 56371131065 - 2¹² = 56371126969 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296690069 + ... + 296690258.

It is an arithmetic number, because the mean of its divisors is an integer number (8900704920).

Almost surely, 2^56371131065 is an apocalyptic number.

It is an amenable number.

56371131065 is a deficient number, since it is larger than the sum of its proper divisors (14834508295).

56371131065 is a wasteful number, since it uses less digits than its factorization.

56371131065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593380351.

The product of its (nonzero) digits is 56700, while the sum is 38.

The spelling of 56371131065 in words is "fifty-six billion, three hundred seventy-one million, one hundred thirty-one thousand, sixty-five".