11164784917 has 16 divisors (see below), whose sum is σ = 13192518528. Its totient is φ = 9314873280.

The previous prime is 11164784909. The next prime is 11164784929. The reversal of 11164784917 is 71948746111.

It is a cyclic number.

It is not a de Polignac number, because 11164784917 - 2³ = 11164784909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11164784317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200913 + ... + 250390.

It is an arithmetic number, because the mean of its divisors is an integer number (824532408).

Almost surely, 2^11164784917 is an apocalyptic number.

It is an amenable number.

11164784917 is a deficient number, since it is larger than the sum of its proper divisors (2027733611).

11164784917 is a wasteful number, since it uses less digits than its factorization.

11164784917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451500.

The product of its digits is 338688, while the sum is 49.

The spelling of 11164784917 in words is "eleven billion, one hundred sixty-four million, seven hundred eighty-four thousand, nine hundred seventeen".