11161576717 has 4 divisors (see below), whose sum is σ = 11164459516. Its totient is φ = 11158693920.

The previous prime is 11161576667. The next prime is 11161576793. The reversal of 11161576717 is 71767516111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3378631876 + 7782944841 = 58126^2 + 88221^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11161576717 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 (11161576417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1435584 + ... + 1443337.

It is an arithmetic number, because the mean of its divisors is an integer number (2791114879).

Almost surely, 2^11161576717 is an apocalyptic number.

It is an amenable number.

11161576717 is a deficient number, since it is larger than the sum of its proper divisors (2882799).

11161576717 is an equidigital number, since it uses as much as digits as its factorization.

11161576717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882798.

The product of its digits is 61740, while the sum is 43.

The spelling of 11161576717 in words is "eleven billion, one hundred sixty-one million, five hundred seventy-six thousand, seven hundred seventeen".