9116865211 has 2 divisors, whose sum is σ = 9116865212. Its totient is φ = 9116865210.

The previous prime is 9116865193. The next prime is 9116865223. The reversal of 9116865211 is 1125686119.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9116865211 - 2³³ = 526930619 is a prime.

It is not a weakly prime, because it can be changed into another prime (9116865011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4558432605 + 4558432606.

It is an arithmetic number, because the mean of its divisors is an integer number (4558432606).

Almost surely, 2^9116865211 is an apocalyptic number.

9116865211 is a deficient number, since it is larger than the sum of its proper divisors (1).

9116865211 is an equidigital number, since it uses as much as digits as its factorization.

9116865211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 40.

The square root of 9116865211 is about 95482.2769470858. The cubic root of 9116865211 is about 2089.0484447581.

The spelling of 9116865211 in words is "nine billion, one hundred sixteen million, eight hundred sixty-five thousand, two hundred eleven".