11559689 has 2 divisors, whose sum is σ = 11559690. Its totient is φ = 11559688.

The previous prime is 11559637. The next prime is 11559703. The reversal of 11559689 is 98695511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11022400 + 537289 = 3320^2 + 733^2 .

It is an emirp because it is prime and its reverse (98695511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11559689 - 2²⁰ = 10511113 is a prime.

It is not a weakly prime, because it can be changed into another prime (11559629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5779844 + 5779845.

It is an arithmetic number, because the mean of its divisors is an integer number (5779845).

Almost surely, 2^11559689 is an apocalyptic number.

It is an amenable number.

11559689 is a deficient number, since it is larger than the sum of its proper divisors (1).

11559689 is an equidigital number, since it uses as much as digits as its factorization.

11559689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 44.

The square root of 11559689 is about 3399.9542643983. The cubic root of 11559689 is about 226.1077161620.

The spelling of 11559689 in words is "eleven million, five hundred fifty-nine thousand, six hundred eighty-nine".