11605089 has 8 divisors (see below), whose sum is σ = 15489792. Its totient is φ = 7728560.

The previous prime is 11605081. The next prime is 11605093. The reversal of 11605089 is 98050611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11605089 - 2³ = 11605081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11605081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3184 + ... + 5774.

It is an arithmetic number, because the mean of its divisors is an integer number (1936224).

Almost surely, 2^11605089 is an apocalyptic number.

It is an amenable number.

11605089 is a deficient number, since it is larger than the sum of its proper divisors (3884703).

11605089 is a wasteful number, since it uses less digits than its factorization.

11605089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 11605089 is about 3406.6242821890. The cubic root of 11605089 is about 226.4033377479.

The spelling of 11605089 in words is "eleven million, six hundred five thousand, eighty-nine".