118521882178 has 64 divisors (see below), whose sum is σ = 213926630400. Its totient is φ = 49200528384.

The previous prime is 118521882169. The next prime is 118521882197. The reversal of 118521882178 is 871288125811.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3108526 + ... + 3146422.

It is an arithmetic number, because the mean of its divisors is an integer number (3342603600).

Almost surely, 2^118521882178 is an apocalyptic number.

118521882178 is a deficient number, since it is larger than the sum of its proper divisors (95404748222).

118521882178 is an equidigital number, since it uses as much as digits as its factorization.

118521882178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38064 (or 38050 counting only the distinct ones).

The product of its digits is 573440, while the sum is 52.

The spelling of 118521882178 in words is "one hundred eighteen billion, five hundred twenty-one million, eight hundred eighty-two thousand, one hundred seventy-eight".