118518409700 has 36 divisors (see below), whose sum is σ = 258100259172. Its totient is φ = 47238643200.

The previous prime is 118518409693. The next prime is 118518409727. The reversal of 118518409700 is 7904815811.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2878966336 + 115639443364 = 53656^2 + 340058^2 .

It is a super-2 number, since 2×118518409700² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2080769 + ... + 2136968.

Almost surely, 2^118518409700 is an apocalyptic number.

118518409700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118518409700 is an abundant number, since it is smaller than the sum of its proper divisors (139581849472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118518409700 is a wasteful number, since it uses less digits than its factorization.

118518409700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218032 (or 4218025 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 44.

The spelling of 118518409700 in words is "one hundred eighteen billion, five hundred eighteen million, four hundred nine thousand, seven hundred".