118511793 has 6 divisors (see below), whose sum is σ = 171183714. Its totient is φ = 79007856.

The previous prime is 118511753. The next prime is 118511819. The reversal of 118511793 is 397115811.

It can be written as a sum of positive squares in only one way, i.e., 76947984 + 41563809 = 8772^2 + 6447^2 .

It is a de Polignac number, because none of the positive numbers 2^k-118511793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118511753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6583980 + ... + 6583997.

It is an arithmetic number, because the mean of its divisors is an integer number (28530619).

Almost surely, 2^118511793 is an apocalyptic number.

It is an amenable number.

118511793 is a deficient number, since it is larger than the sum of its proper divisors (52671921).

118511793 is a wasteful number, since it uses less digits than its factorization.

118511793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13167983 (or 13167980 counting only the distinct ones).

The product of its digits is 7560, while the sum is 36.

The square root of 118511793 is about 10886.3121854924. The cubic root of 118511793 is about 491.1949082597.

The spelling of 118511793 in words is "one hundred eighteen million, five hundred eleven thousand, seven hundred ninety-three".