1112775880 has 32 divisors (see below), whose sum is σ = 2612606400. Its totient is φ = 425757376.

The previous prime is 1112775871. The next prime is 1112775899. The reversal of 1112775880 is 885772111.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603850 + ... + 605689.

It is an arithmetic number, because the mean of its divisors is an integer number (81643950).

Almost surely, 2^1112775880 is an apocalyptic number.

1112775880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112775880 is an abundant number, since it is smaller than the sum of its proper divisors (1499830520).

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

1112775880 is a wasteful number, since it uses less digits than its factorization.

1112775880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209573 (or 1209569 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 40.

The square root of 1112775880 is about 33358.2955200052. The cubic root of 1112775880 is about 1036.2611929201.

The spelling of 1112775880 in words is "one billion, one hundred twelve million, seven hundred seventy-five thousand, eight hundred eighty".