118111918 has 8 divisors (see below), whose sum is σ = 181956312. Its totient is φ = 57459816.

The previous prime is 118111909. The next prime is 118111933. The reversal of 118111918 is 819111811.

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

It is a self number, because there is not a number n which added to its sum of digits gives 118111918.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797980 + ... + 798127.

It is an arithmetic number, because the mean of its divisors is an integer number (22744539).

Almost surely, 2^118111918 is an apocalyptic number.

118111918 is a deficient number, since it is larger than the sum of its proper divisors (63844394).

118111918 is a wasteful number, since it uses less digits than its factorization.

118111918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596146.

The product of its digits is 576, while the sum is 31.

The square root of 118111918 is about 10867.9307138020. The cubic root of 118111918 is about 490.6418328058.

The spelling of 118111918 in words is "one hundred eighteen million, one hundred eleven thousand, nine hundred eighteen".