11609005 has 8 divisors (see below), whose sum is σ = 14015232. Its totient is φ = 9230928.

The previous prime is 11608999. The next prime is 11609021. The reversal of 11609005 is 50090611.

11609005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11609005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6117 + ... + 7786.

It is an arithmetic number, because the mean of its divisors is an integer number (1751904).

Almost surely, 2^11609005 is an apocalyptic number.

It is an amenable number.

11609005 is a deficient number, since it is larger than the sum of its proper divisors (2406227).

11609005 is a wasteful number, since it uses less digits than its factorization.

11609005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14075.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 11609005 is about 3407.1989962431. The cubic root of 11609005 is about 226.4288005934.

Adding to 11609005 its reverse (50090611), we get a palindrome (61699616).

The spelling of 11609005 in words is "eleven million, six hundred nine thousand, five".