118112185 has 16 divisors (see below), whose sum is σ = 148579200. Its totient is φ = 90034560.

The previous prime is 118112179. The next prime is 118112213. The reversal of 118112185 is 581211811.

It is not a de Polignac number, because 118112185 - 2¹⁵ = 118079417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2116 + ... + 15514.

It is an arithmetic number, because the mean of its divisors is an integer number (9286200).

Almost surely, 2^118112185 is an apocalyptic number.

It is an amenable number.

118112185 is a deficient number, since it is larger than the sum of its proper divisors (30467015).

118112185 is a wasteful number, since it uses less digits than its factorization.

118112185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13488.

The product of its digits is 640, while the sum is 28.

The square root of 118112185 is about 10867.9429976422. The cubic root of 118112185 is about 490.6422025153.

Adding to 118112185 its reverse (581211811), we get a palindrome (699323996).

It can be divided in two parts, 1181 and 12185, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 118112185 in words is "one hundred eighteen million, one hundred twelve thousand, one hundred eighty-five".