56801146631 has 2 divisors, whose sum is σ = 56801146632. Its totient is φ = 56801146630.

The previous prime is 56801146573. The next prime is 56801146663. The reversal of 56801146631 is 13664110865.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56801146631 - 2¹⁸ = 56800884487 is a prime.

It is a super-2 number, since 2×56801146631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56801146681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28400573315 + 28400573316.

It is an arithmetic number, because the mean of its divisors is an integer number (28400573316).

Almost surely, 2^56801146631 is an apocalyptic number.

56801146631 is a deficient number, since it is larger than the sum of its proper divisors (1).

56801146631 is an equidigital number, since it uses as much as digits as its factorization.

56801146631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 56801146631 in words is "fifty-six billion, eight hundred one million, one hundred forty-six thousand, six hundred thirty-one".