118400018099 has 16 divisors (see below), whose sum is σ = 139942028160. Its totient is φ = 98948895360.

The previous prime is 118400018059. The next prime is 118400018101. The reversal of 118400018099 is 990810004811.

It is a cyclic number.

It is not a de Polignac number, because 118400018099 - 2²⁸ = 118131582643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118400018029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7354229 + ... + 7370310.

It is an arithmetic number, because the mean of its divisors is an integer number (8746376760).

Almost surely, 2^118400018099 is an apocalyptic number.

118400018099 is a deficient number, since it is larger than the sum of its proper divisors (21542010061).

118400018099 is a wasteful number, since it uses less digits than its factorization.

118400018099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14724610.

The product of its (nonzero) digits is 20736, while the sum is 41.

The spelling of 118400018099 in words is "one hundred eighteen billion, four hundred million, eighteen thousand, ninety-nine".