113120555000 has 160 divisors (see below), whose sum is σ = 278011008000. Its totient is φ = 43054704000.

The previous prime is 113120554979. The next prime is 113120555011. The reversal of 113120555000 is 555021311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22882529 + ... + 22887471.

It is an arithmetic number, because the mean of its divisors is an integer number (1737568800).

Almost surely, 2^113120555000 is an apocalyptic number.

113120555000 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 113120555000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139005504000).

113120555000 is an abundant number, since it is smaller than the sum of its proper divisors (164890453000).

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

113120555000 is a wasteful number, since it uses less digits than its factorization.

113120555000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5191 (or 5172 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 113120555000 its reverse (555021311), we get a palindrome (113675576311).

The spelling of 113120555000 in words is "one hundred thirteen billion, one hundred twenty million, five hundred fifty-five thousand".