11606009 has 2 divisors, whose sum is σ = 11606010. Its totient is φ = 11606008.

The previous prime is 11605987. The next prime is 11606027. The reversal of 11606009 is 90060611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11580409 + 25600 = 3403^2 + 160^2 .

It is a cyclic number.

It is not a de Polignac number, because 11606009 - 2²⁰ = 10557433 is a prime.

It is not a weakly prime, because it can be changed into another prime (11606029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5803004 + 5803005.

It is an arithmetic number, because the mean of its divisors is an integer number (5803005).

Almost surely, 2^11606009 is an apocalyptic number.

It is an amenable number.

11606009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11606009 is an equidigital number, since it uses as much as digits as its factorization.

11606009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 11606009 is about 3406.7593105472. The cubic root of 11606009 is about 226.4093203407.

The spelling of 11606009 in words is "eleven million, six hundred six thousand, nine".