112540405500 has 288 divisors, whose sum is σ = 365466366720. Its totient is φ = 29140963200.

The previous prime is 112540405489. The next prime is 112540405513. The reversal of 112540405500 is 5504045211.

112540405500 is a `hidden beast` number, since 1 + 1 + 254 + 0 + 405 + 5 + 0 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22033947 + ... + 22039053.

It is an arithmetic number, because the mean of its divisors is an integer number (1268980440).

Almost surely, 2^112540405500 is an apocalyptic number.

112540405500 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 112540405500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182733183360).

112540405500 is an abundant number, since it is smaller than the sum of its proper divisors (252925961220).

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

112540405500 is a wasteful number, since it uses less digits than its factorization.

112540405500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5274 (or 5259 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 112540405500 in words is "one hundred twelve billion, five hundred forty million, four hundred five thousand, five hundred".