118518816603 has 16 divisors (see below), whose sum is σ = 176058902016. Its totient is φ = 70301295840.

The previous prime is 118518816601. The next prime is 118518816629. The reversal of 118518816603 is 306618815811.

It is a happy number.

It is not a de Polignac number, because 118518816603 - 2¹ = 118518816601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118518816601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38205676 + ... + 38208777.

It is an arithmetic number, because the mean of its divisors is an integer number (11003681376).

Almost surely, 2^118518816603 is an apocalyptic number.

118518816603 is a deficient number, since it is larger than the sum of its proper divisors (57540085413).

118518816603 is a wasteful number, since it uses less digits than its factorization.

118518816603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76414514.

The product of its (nonzero) digits is 276480, while the sum is 48.

The spelling of 118518816603 in words is "one hundred eighteen billion, five hundred eighteen million, eight hundred sixteen thousand, six hundred three".