11615089 has 2 divisors, whose sum is σ = 11615090. Its totient is φ = 11615088.

The previous prime is 11615083. The next prime is 11615113. The reversal of 11615089 is 98051611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11614464 + 625 = 3408^2 + 25^2 .

It is a cyclic number.

It is not a de Polignac number, because 11615089 - 2³ = 11615081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11615089.

It is not a weakly prime, because it can be changed into another prime (11615081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5807544 + 5807545.

It is an arithmetic number, because the mean of its divisors is an integer number (5807545).

Almost surely, 2^11615089 is an apocalyptic number.

It is an amenable number.

11615089 is a deficient number, since it is larger than the sum of its proper divisors (1).

11615089 is an equidigital number, since it uses as much as digits as its factorization.

11615089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 11615089 is about 3408.0916947758. The cubic root of 11615089 is about 226.4683489796.

The spelling of 11615089 in words is "eleven million, six hundred fifteen thousand, eighty-nine".