9112812665 has 16 divisors (see below), whose sum is σ = 11973540096. Its totient is φ = 6603033600.

The previous prime is 9112812649. The next prime is 9112812671. The reversal of 9112812665 is 5662182119.

It is not a de Polignac number, because 9112812665 - 2⁴ = 9112812649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290792 + ... + 320601.

It is an arithmetic number, because the mean of its divisors is an integer number (748346256).

Almost surely, 2^9112812665 is an apocalyptic number.

It is an amenable number.

9112812665 is a deficient number, since it is larger than the sum of its proper divisors (2860727431).

9112812665 is a wasteful number, since it uses less digits than its factorization.

9112812665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611680.

The product of its digits is 51840, while the sum is 41.

The square root of 9112812665 is about 95461.0531316306. The cubic root of 9112812665 is about 2088.7388639451.

The spelling of 9112812665 in words is "nine billion, one hundred twelve million, eight hundred twelve thousand, six hundred sixty-five".