11599009 has 2 divisors, whose sum is σ = 11599010. Its totient is φ = 11599008.

The previous prime is 11598959. The next prime is 11599013. The reversal of 11599009 is 90099511.

11599009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10705984 + 893025 = 3272^2 + 945^2 .

It is an emirp because it is prime and its reverse (90099511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11599009 - 2⁹ = 11598497 is a prime.

It is not a weakly prime, because it can be changed into another prime (11599039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5799504 + 5799505.

It is an arithmetic number, because the mean of its divisors is an integer number (5799505).

Almost surely, 2^11599009 is an apocalyptic number.

It is an amenable number.

11599009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11599009 is an equidigital number, since it uses as much as digits as its factorization.

11599009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3645, while the sum is 34.

The square root of 11599009 is about 3405.7317862686. The cubic root of 11599009 is about 226.3637926611.

The spelling of 11599009 in words is "eleven million, five hundred ninety-nine thousand, nine".