118388131880500 has 48 divisors (see below), whose sum is σ = 272168084260800. Its totient is φ = 44862871024800.

The previous prime is 118388131880477. The next prime is 118388131880507. The reversal of 118388131880500 is 5088131883811.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118388131880507) 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, 6230944810 + ... + 6230963809.

It is an arithmetic number, because the mean of its divisors is an integer number (5670168422100).

Almost surely, 2^{118388131880500} is an apocalyptic number.

118388131880500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118388131880500 is an abundant number, since it is smaller than the sum of its proper divisors (153779952380300).

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

118388131880500 is a wasteful number, since it uses less digits than its factorization.

118388131880500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12461908657 (or 12461908645 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 55.

The spelling of 118388131880500 in words is "one hundred eighteen trillion, three hundred eighty-eight billion, one hundred thirty-one million, eight hundred eighty thousand, five hundred".