11316611309 has 2 divisors, whose sum is σ = 11316611310. Its totient is φ = 11316611308.

The previous prime is 11316611279. The next prime is 11316611347. The reversal of 11316611309 is 90311661311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8920802500 + 2395808809 = 94450^2 + 48947^2 .

It is a cyclic number.

It is not a de Polignac number, because 11316611309 - 2²⁴ = 11299834093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11316611389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5658305654 + 5658305655.

It is an arithmetic number, because the mean of its divisors is an integer number (5658305655).

Almost surely, 2^11316611309 is an apocalyptic number.

It is an amenable number.

11316611309 is a deficient number, since it is larger than the sum of its proper divisors (1).

11316611309 is an equidigital number, since it uses as much as digits as its factorization.

11316611309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 32.

The spelling of 11316611309 in words is "eleven billion, three hundred sixteen million, six hundred eleven thousand, three hundred nine".