118555809960 has 256 divisors, whose sum is σ = 417938227200. Its totient is φ = 26336074752.

The previous prime is 118555809947. The next prime is 118555810033. The reversal of 118555809960 is 69908555811.

It is a self number, because there is not a number n which added to its sum of digits gives 118555809960.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38009281 + ... + 38012399.

It is an arithmetic number, because the mean of its divisors is an integer number (1632571200).

Almost surely, 2^118555809960 is an apocalyptic number.

118555809960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118555809960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208969113600).

118555809960 is an abundant number, since it is smaller than the sum of its proper divisors (299382417240).

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

118555809960 is a wasteful number, since it uses less digits than its factorization.

118555809960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400 (or 4396 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 57.

The spelling of 118555809960 in words is "one hundred eighteen billion, five hundred fifty-five million, eight hundred nine thousand, nine hundred sixty".