11649059217 has 12 divisors (see below), whose sum is σ = 16830425040. Its totient is φ = 7764190488.

The previous prime is 11649059203. The next prime is 11649059221. The reversal of 11649059217 is 71295094611.

11649059217 is a `hidden beast` number, since 1 + 1 + 6 + 49 + 0 + 592 + 17 = 666.

It is not a de Polignac number, because 11649059217 - 2²⁰ = 11648010641 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11649059017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113623 + ... + 190284.

It is an arithmetic number, because the mean of its divisors is an integer number (1402535420).

Almost surely, 2^11649059217 is an apocalyptic number.

It is an amenable number.

11649059217 is a deficient number, since it is larger than the sum of its proper divisors (5181365823).

11649059217 is a wasteful number, since it uses less digits than its factorization.

11649059217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308172 (or 308169 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The spelling of 11649059217 in words is "eleven billion, six hundred forty-nine million, fifty-nine thousand, two hundred seventeen".