11066506659 has 20 divisors (see below), whose sum is σ = 17803099776. Its totient is φ = 6810157296.

The previous prime is 11066506621. The next prime is 11066506663. The reversal of 11066506659 is 95660566011.

It is not a de Polignac number, because 11066506659 - 2¹¹ = 11066504611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11066106659) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5253699 + ... + 5255804.

Almost surely, 2^11066506659 is an apocalyptic number.

11066506659 is a deficient number, since it is larger than the sum of its proper divisors (6736593117).

11066506659 is a wasteful number, since it uses less digits than its factorization.

11066506659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10509528 (or 10509519 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 11066506659 in words is "eleven billion, sixty-six million, five hundred six thousand, six hundred fifty-nine".