502556116631 has 2 divisors, whose sum is σ = 502556116632. Its totient is φ = 502556116630.

The previous prime is 502556116609. The next prime is 502556116633. The reversal of 502556116631 is 136611655205.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-502556116631 is a prime.

It is a super-2 number, since 2×502556116631² (a number of 24 digits) contains 22 as substring.

Together with 502556116633, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502556116633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251278058315 + 251278058316.

It is an arithmetic number, because the mean of its divisors is an integer number (251278058316).

Almost surely, 2^502556116631 is an apocalyptic number.

502556116631 is a deficient number, since it is larger than the sum of its proper divisors (1).

502556116631 is an equidigital number, since it uses as much as digits as its factorization.

502556116631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 502556116631 in words is "five hundred two billion, five hundred fifty-six million, one hundred sixteen thousand, six hundred thirty-one".