118155115 has 8 divisors (see below), whose sum is σ = 152692848. Its totient is φ = 87252960.

The previous prime is 118155031. The next prime is 118155119. The reversal of 118155115 is 511551811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118155115 - 2¹⁹ = 117630827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118155119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 908821 + ... + 908950.

It is an arithmetic number, because the mean of its divisors is an integer number (19086606).

Almost surely, 2^118155115 is an apocalyptic number.

118155115 is a deficient number, since it is larger than the sum of its proper divisors (34537733).

118155115 is a wasteful number, since it uses less digits than its factorization.

118155115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817789.

The product of its digits is 1000, while the sum is 28.

The square root of 118155115 is about 10869.9178929742. The cubic root of 118155115 is about 490.7016395619.

The spelling of 118155115 in words is "one hundred eighteen million, one hundred fifty-five thousand, one hundred fifteen".