11616089 has 2 divisors, whose sum is σ = 11616090. Its totient is φ = 11616088.

The previous prime is 11616067. The next prime is 11616107. The reversal of 11616089 is 98061611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10368400 + 1247689 = 3220^2 + 1117^2 .

It is an emirp because it is prime and its reverse (98061611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11616089 is a prime.

It is not a weakly prime, because it can be changed into another prime (11616589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5808044 + 5808045.

It is an arithmetic number, because the mean of its divisors is an integer number (5808045).

Almost surely, 2^11616089 is an apocalyptic number.

It is an amenable number.

11616089 is a deficient number, since it is larger than the sum of its proper divisors (1).

11616089 is an equidigital number, since it uses as much as digits as its factorization.

11616089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 11616089 is about 3408.2384012859. The cubic root of 11616089 is about 226.4748480502.

The spelling of 11616089 in words is "eleven million, six hundred sixteen thousand, eighty-nine".