118492815 has 16 divisors (see below), whose sum is σ = 216672768. Its totient is φ = 54168096.

The previous prime is 118492793. The next prime is 118492841. The reversal of 118492815 is 518294811.

It is not a de Polignac number, because 118492815 - 2¹¹ = 118490767 is a prime.

It is a congruent number.

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, 564147 + ... + 564356.

It is an arithmetic number, because the mean of its divisors is an integer number (13542048).

Almost surely, 2^118492815 is an apocalyptic number.

118492815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

118492815 is a deficient number, since it is larger than the sum of its proper divisors (98179953).

118492815 is a wasteful number, since it uses less digits than its factorization.

118492815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128518.

The product of its digits is 23040, while the sum is 39.

The square root of 118492815 is about 10885.4405055560. The cubic root of 118492815 is about 491.1686875369.

The spelling of 118492815 in words is "one hundred eighteen million, four hundred ninety-two thousand, eight hundred fifteen".