118611311 has 24 divisors (see below), whose sum is σ = 150534720. Its totient is φ = 92619072.

The previous prime is 118611271. The next prime is 118611313. The reversal of 118611311 is 113116811.

It is not a de Polignac number, because 118611311 - 2²² = 114417007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118611313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49145 + ... + 51501.

It is an arithmetic number, because the mean of its divisors is an integer number (6272280).

Almost surely, 2^118611311 is an apocalyptic number.

118611311 is a deficient number, since it is larger than the sum of its proper divisors (31923409).

118611311 is a wasteful number, since it uses less digits than its factorization.

118611311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463 (or 2456 counting only the distinct ones).

The product of its digits is 144, while the sum is 23.

The square root of 118611311 is about 10890.8820120319. The cubic root of 118611311 is about 491.3323602866.

The spelling of 118611311 in words is "one hundred eighteen million, six hundred eleven thousand, three hundred eleven".