1116112289 has 8 divisors (see below), whose sum is σ = 1146933480. Its totient is φ = 1085325696.

The previous prime is 1116112259. The next prime is 1116112297. The reversal of 1116112289 is 9822116111.

It can be written as a sum of positive squares in 4 ways, for example, as 287133025 + 828979264 = 16945^2 + 28792^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116112289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116112229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65357 + ... + 80645.

It is an arithmetic number, because the mean of its divisors is an integer number (143366685).

Almost surely, 2^1116112289 is an apocalyptic number.

It is an amenable number.

1116112289 is a deficient number, since it is larger than the sum of its proper divisors (30821191).

1116112289 is a wasteful number, since it uses less digits than its factorization.

1116112289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17299.

The product of its digits is 1728, while the sum is 32.

The square root of 1116112289 is about 33408.2667763534. The cubic root of 1116112289 is about 1037.2958251920.

The spelling of 1116112289 in words is "one billion, one hundred sixteen million, one hundred twelve thousand, two hundred eighty-nine".