1112789881 has 16 divisors (see below), whose sum is σ = 1304763264. Its totient is φ = 929384064.

The previous prime is 1112789879. The next prime is 1112789903. The reversal of 1112789881 is 1889872111.

It is not a de Polignac number, because 1112789881 - 2¹ = 1112789879 is a prime.

It is a super-2 number, since 2×1112789881² = 2476602638511988322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1112789831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29295 + ... + 55531.

It is an arithmetic number, because the mean of its divisors is an integer number (81547704).

Almost surely, 2^1112789881 is an apocalyptic number.

It is an amenable number.

1112789881 is a deficient number, since it is larger than the sum of its proper divisors (191973383).

1112789881 is an equidigital number, since it uses as much as digits as its factorization.

1112789881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26400.

The product of its digits is 64512, while the sum is 46.

The square root of 1112789881 is about 33358.5053771898. The cubic root of 1112789881 is about 1036.2655389980.

The spelling of 1112789881 in words is "one billion, one hundred twelve million, seven hundred eighty-nine thousand, eight hundred eighty-one".