112805550 has 144 divisors (see below), whose sum is σ = 356258448. Its totient is φ = 25228800.

The previous prime is 112805543. The next prime is 112805573. The reversal of 112805550 is 55508211.

It is a super-2 number, since 2×112805550² = 25450184221605000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 63474 + ... + 65226.

It is an arithmetic number, because the mean of its divisors is an integer number (2474017).

Almost surely, 2^112805550 is an apocalyptic number.

112805550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 112805550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178129224).

112805550 is an abundant number, since it is smaller than the sum of its proper divisors (243452898).

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

112805550 is a wasteful number, since it uses less digits than its factorization.

112805550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795 (or 1787 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 112805550 is about 10620.9957160334. The cubic root of 112805550 is about 483.1813420889.

The spelling of 112805550 in words is "one hundred twelve million, eight hundred five thousand, five hundred fifty".