118291624687 has 2 divisors, whose sum is σ = 118291624688. Its totient is φ = 118291624686.

The previous prime is 118291624663. The next prime is 118291624757. The reversal of 118291624687 is 786426192811.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118291624687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118291625687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59145812343 + 59145812344.

It is an arithmetic number, because the mean of its divisors is an integer number (59145812344).

Almost surely, 2^118291624687 is an apocalyptic number.

118291624687 is a deficient number, since it is larger than the sum of its proper divisors (1).

118291624687 is an equidigital number, since it uses as much as digits as its factorization.

118291624687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 55.

The spelling of 118291624687 in words is "one hundred eighteen billion, two hundred ninety-one million, six hundred twenty-four thousand, six hundred eighty-seven".