118157796331 has 2 divisors, whose sum is σ = 118157796332. Its totient is φ = 118157796330.

The previous prime is 118157796307. The next prime is 118157796401. The reversal of 118157796331 is 133697751811.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118157796331 - 2¹³ = 118157788139 is a prime.

It is a super-2 number, since 2×118157796331² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (118157791331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59078898165 + 59078898166.

It is an arithmetic number, because the mean of its divisors is an integer number (59078898166).

Almost surely, 2^118157796331 is an apocalyptic number.

118157796331 is a deficient number, since it is larger than the sum of its proper divisors (1).

118157796331 is an equidigital number, since it uses as much as digits as its factorization.

118157796331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 52.

The spelling of 118157796331 in words is "one hundred eighteen billion, one hundred fifty-seven million, seven hundred ninety-six thousand, three hundred thirty-one".