115550637120 has 336 divisors, whose sum is σ = 424109936640. Its totient is φ = 28790857728.

The previous prime is 115550637113. The next prime is 115550637187. The reversal of 115550637120 is 21736055511.

It is a happy number.

115550637120 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 5 + 0 + 637 + 12 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3980097 + ... + 4009023.

Almost surely, 2^115550637120 is an apocalyptic number.

115550637120 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 115550637120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212054968320).

115550637120 is an abundant number, since it is smaller than the sum of its proper divisors (308559299520).

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

115550637120 is a wasteful number, since it uses less digits than its factorization.

115550637120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29042 (or 29029 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The spelling of 115550637120 in words is "one hundred fifteen billion, five hundred fifty million, six hundred thirty-seven thousand, one hundred twenty".