118681633911 has 32 divisors (see below), whose sum is σ = 169919382528. Its totient is φ = 73414978560.

The previous prime is 118681633891. The next prime is 118681633913. The reversal of 118681633911 is 119336186811.

It is not a de Polignac number, because 118681633911 - 2⁷ = 118681633783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118681633913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10891776 + ... + 10902666.

It is an arithmetic number, because the mean of its divisors is an integer number (5309980704).

Almost surely, 2^118681633911 is an apocalyptic number.

118681633911 is a deficient number, since it is larger than the sum of its proper divisors (51237748617).

118681633911 is a wasteful number, since it uses less digits than its factorization.

118681633911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13911.

The product of its digits is 186624, while the sum is 48.

The spelling of 118681633911 in words is "one hundred eighteen billion, six hundred eighty-one million, six hundred thirty-three thousand, nine hundred eleven".