118181960000 has 560 divisors, whose sum is σ = 346432418640. Its totient is φ = 39567360000.

The previous prime is 118181959979. The next prime is 118181960003. The reversal of 118181960000 is 69181811.

It can be written as a sum of positive squares in 40 ways, for example, as 99320783104 + 18861176896 = 315152^2 + 137336^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118181960003) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 256359770 + ... + 256360230.

It is an arithmetic number, because the mean of its divisors is an integer number (618629319).

Almost surely, 2^118181960000 is an apocalyptic number.

118181960000 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 118181960000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173216209320).

118181960000 is an abundant number, since it is smaller than the sum of its proper divisors (228250458640).

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

118181960000 is a wasteful number, since it uses less digits than its factorization.

118181960000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 35.

The spelling of 118181960000 in words is "one hundred eighteen billion, one hundred eighty-one million, nine hundred sixty thousand".