108556404631 has 2 divisors, whose sum is σ = 108556404632. Its totient is φ = 108556404630.

The previous prime is 108556404623. The next prime is 108556404679. The reversal of 108556404631 is 136404655801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108556404631 - 2³ = 108556404623 is a prime.

It is a super-2 number, since 2×108556404631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108556464631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54278202315 + 54278202316.

It is an arithmetic number, because the mean of its divisors is an integer number (54278202316).

Almost surely, 2^108556404631 is an apocalyptic number.

108556404631 is a deficient number, since it is larger than the sum of its proper divisors (1).

108556404631 is an equidigital number, since it uses as much as digits as its factorization.

108556404631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 108556404631 in words is "one hundred eight billion, five hundred fifty-six million, four hundred four thousand, six hundred thirty-one".