113399550000 has 720 divisors, whose sum is σ = 447301370880. Its totient is φ = 26568000000.

The previous prime is 113399549993. The next prime is 113399550013. The reversal of 113399550000 is 55993311.

113399550000 is a `hidden beast` number, since 1 + 13 + 3 + 99 + 550 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

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

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 153449631 + ... + 153450369.

It is an arithmetic number, because the mean of its divisors is an integer number (621251904).

Almost surely, 2^113399550000 is an apocalyptic number.

113399550000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113399550000 is the 180000-th nonagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113399550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223650685440).

113399550000 is an abundant number, since it is smaller than the sum of its proper divisors (333901820880).

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

113399550000 is a wasteful number, since it uses less digits than its factorization.

113399550000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 18225, while the sum is 36.

The spelling of 113399550000 in words is "one hundred thirteen billion, three hundred ninety-nine million, five hundred fifty thousand".