118381641580 has 12 divisors (see below), whose sum is σ = 248601447360. Its totient is φ = 47352656624.

The previous prime is 118381641563. The next prime is 118381641593. The reversal of 118381641580 is 85146183811.

It is a self number, because there is not a number n which added to its sum of digits gives 118381641580.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2959541020 + ... + 2959541059.

It is an arithmetic number, because the mean of its divisors is an integer number (20716787280).

Almost surely, 2^118381641580 is an apocalyptic number.

118381641580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118381641580 is an abundant number, since it is smaller than the sum of its proper divisors (130219805780).

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

118381641580 is a wasteful number, since it uses less digits than its factorization.

118381641580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5919082088 (or 5919082086 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 46.

The spelling of 118381641580 in words is "one hundred eighteen billion, three hundred eighty-one million, six hundred forty-one thousand, five hundred eighty".