118457415631 has 2 divisors, whose sum is σ = 118457415632. Its totient is φ = 118457415630.

The previous prime is 118457415577. The next prime is 118457415647. The reversal of 118457415631 is 136514754811.

It is a strong prime.

It is an emirp because it is prime and its reverse (136514754811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118457415631 - 2¹⁷ = 118457284559 is a prime.

It is a super-2 number, since 2×118457415631² (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 (118457415031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59228707815 + 59228707816.

It is an arithmetic number, because the mean of its divisors is an integer number (59228707816).

Almost surely, 2^118457415631 is an apocalyptic number.

118457415631 is a deficient number, since it is larger than the sum of its proper divisors (1).

118457415631 is an equidigital number, since it uses as much as digits as its factorization.

118457415631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 46.

The spelling of 118457415631 in words is "one hundred eighteen billion, four hundred fifty-seven million, four hundred fifteen thousand, six hundred thirty-one".