118153875478 has 32 divisors (see below), whose sum is σ = 188173320192. Its totient is φ = 55552089600.

The previous prime is 118153875457. The next prime is 118153875487. The reversal of 118153875478 is 874578351811.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399723 + ... + 629353.

It is an arithmetic number, because the mean of its divisors is an integer number (5880416256).

Almost surely, 2^118153875478 is an apocalyptic number.

118153875478 is a deficient number, since it is larger than the sum of its proper divisors (70019444714).

118153875478 is a wasteful number, since it uses less digits than its factorization.

118153875478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229900.

The product of its digits is 7526400, while the sum is 58.

The spelling of 118153875478 in words is "one hundred eighteen billion, one hundred fifty-three million, eight hundred seventy-five thousand, four hundred seventy-eight".