118838615 has 16 divisors (see below), whose sum is σ = 164229120. Its totient is φ = 80864160.

The previous prime is 118838591. The next prime is 118838633. The reversal of 118838615 is 516838811.

It is not a de Polignac number, because 118838615 - 2¹⁰ = 118837591 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, 8375 + ... + 17544.

It is an arithmetic number, because the mean of its divisors is an integer number (10264320).

Almost surely, 2^118838615 is an apocalyptic number.

118838615 is a deficient number, since it is larger than the sum of its proper divisors (45390505).

118838615 is a wasteful number, since it uses less digits than its factorization.

118838615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26062.

The product of its digits is 46080, while the sum is 41.

The square root of 118838615 is about 10901.3125356537. The cubic root of 118838615 is about 491.6460193698.

The spelling of 118838615 in words is "one hundred eighteen million, eight hundred thirty-eight thousand, six hundred fifteen".