118611090 has 48 divisors (see below), whose sum is σ = 332114328. Its totient is φ = 29196288.

The previous prime is 118611089. The next prime is 118611113. The reversal of 118611090 is 90116811.

It can be written as a sum of positive squares in 4 ways, for example, as 101545929 + 17065161 = 10077^2 + 4131^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49519 + ... + 51858.

Almost surely, 2^118611090 is an apocalyptic number.

118611090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118611090 is an abundant number, since it is smaller than the sum of its proper divisors (213503238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118611090 is a wasteful number, since it uses less digits than its factorization.

118611090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101403 (or 101400 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The square root of 118611090 is about 10890.8718659252. The cubic root of 118611090 is about 491.3320551316.

The spelling of 118611090 in words is "one hundred eighteen million, six hundred eleven thousand, ninety".