1112551200 has 432 divisors, whose sum is σ = 4180044960. Its totient is φ = 288645120.

The previous prime is 1112551199. The next prime is 1112551229. The reversal of 1112551200 is 21552111.

1112551200 is a `hidden beast` number, since 1 + 112 + 551 + 2 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 11469552 + ... + 11469648.

It is an arithmetic number, because the mean of its divisors is an integer number (9676030).

Almost surely, 2^1112551200 is an apocalyptic number.

1112551200 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 1112551200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2090022480).

1112551200 is an abundant number, since it is smaller than the sum of its proper divisors (3067493760).

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

1112551200 is an equidigital number, since it uses as much as digits as its factorization.

1112551200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 1112551200 is about 33354.9276719348. The cubic root of 1112551200 is about 1036.1914445725.

The spelling of 1112551200 in words is "one billion, one hundred twelve million, five hundred fifty-one thousand, two hundred".