118813913280 has 336 divisors, whose sum is σ = 425622622464. Its totient is φ = 30387732480.

The previous prime is 118813913203. The next prime is 118813913287. The reversal of 118813913280 is 82319318811.

118813913280 is a `hidden beast` number, since 1 + 188 + 1 + 391 + 3 + 2 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (118813913287) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10082752 + ... + 10094528.

Almost surely, 2^118813913280 is an apocalyptic number.

118813913280 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 118813913280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212811311232).

118813913280 is an abundant number, since it is smaller than the sum of its proper divisors (306808709184).

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

118813913280 is a wasteful number, since it uses less digits than its factorization.

118813913280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11944 (or 11931 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The spelling of 118813913280 in words is "one hundred eighteen billion, eight hundred thirteen million, nine hundred thirteen thousand, two hundred eighty".