118590992431 has 2 divisors, whose sum is σ = 118590992432. Its totient is φ = 118590992430.

The previous prime is 118590992353. The next prime is 118590992479. The reversal of 118590992431 is 134299095811.

It is a strong prime.

It is an emirp because it is prime and its reverse (134299095811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118590992431 - 2⁹ = 118590991919 is a prime.

It is a super-2 number, since 2×118590992431² (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 (118590992131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59295496215 + 59295496216.

It is an arithmetic number, because the mean of its divisors is an integer number (59295496216).

Almost surely, 2^118590992431 is an apocalyptic number.

118590992431 is a deficient number, since it is larger than the sum of its proper divisors (1).

118590992431 is an equidigital number, since it uses as much as digits as its factorization.

118590992431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 52.

The spelling of 118590992431 in words is "one hundred eighteen billion, five hundred ninety million, nine hundred ninety-two thousand, four hundred thirty-one".