118277383831 has 2 divisors, whose sum is σ = 118277383832. Its totient is φ = 118277383830.

The previous prime is 118277383823. The next prime is 118277383853. The reversal of 118277383831 is 138383772811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118277383831 - 2³ = 118277383823 is a prime.

It is a super-4 number, since 4×118277383831⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118277383811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59138691915 + 59138691916.

It is an arithmetic number, because the mean of its divisors is an integer number (59138691916).

Almost surely, 2^118277383831 is an apocalyptic number.

118277383831 is a deficient number, since it is larger than the sum of its proper divisors (1).

118277383831 is an equidigital number, since it uses as much as digits as its factorization.

118277383831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 52.

The spelling of 118277383831 in words is "one hundred eighteen billion, two hundred seventy-seven million, three hundred eighty-three thousand, eight hundred thirty-one".