1116695889 has 45 divisors (see below), whose sum is σ = 1726246137. Its totient is φ = 719401176.

The previous prime is 1116695831. The next prime is 1116695897. The reversal of 1116695889 is 9885966111.

The square root of 1116695889 is 33417.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2^k-1116695889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1116695809) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 14135352 + ... + 14135430.

It is a vampire number, since it can be written as 19881 ⋅ 56169 (with its own digits).

Almost surely, 2^1116695889 is an apocalyptic number.

1116695889 is the 33417-th square number.

1116695889 is the 16709-th centered octagonal number.

It is an amenable number.

1116695889 is a deficient number, since it is larger than the sum of its proper divisors (609550248).

1116695889 is an frugal number, since it uses more digits than its factorization.

1116695889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 129 counting only the distinct ones).

The product of its digits is 933120, while the sum is 54.

The cubic root of 1116695889 is about 1037.4765896687.

The spelling of 1116695889 in words is "one billion, one hundred sixteen million, six hundred ninety-five thousand, eight hundred eighty-nine".