11655606009 has 8 divisors (see below), whose sum is σ = 15564830400. Its totient is φ = 7758392816.

The previous prime is 11655606007. The next prime is 11655606041. The reversal of 11655606009 is 90060655611.

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 11655606009 - 2¹ = 11655606007 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11655606007) 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, 3000534 + ... + 3004415.

It is an arithmetic number, because the mean of its divisors is an integer number (1945603800).

Almost surely, 2^11655606009 is an apocalyptic number.

It is an amenable number.

11655606009 is a deficient number, since it is larger than the sum of its proper divisors (3909224391).

11655606009 is an equidigital number, since it uses as much as digits as its factorization.

11655606009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6005599.

The product of its (nonzero) digits is 48600, while the sum is 39.

The spelling of 11655606009 in words is "eleven billion, six hundred fifty-five million, six hundred six thousand, nine".