11314131665 has 32 divisors (see below), whose sum is σ = 13919986080. Its totient is φ = 8826126336.

The previous prime is 11314131649. The next prime is 11314131683. The reversal of 11314131665 is 56613141311.

It can be written as a sum of positive squares in 16 ways, for example, as 1743814081 + 9570317584 = 41759^2 + 97828^2 .

It is a cyclic number.

It is not a de Polignac number, because 11314131665 - 2⁴ = 11314131649 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14712401 + ... + 14713169.

It is an arithmetic number, because the mean of its divisors is an integer number (434999565).

Almost surely, 2^11314131665 is an apocalyptic number.

It is an amenable number.

11314131665 is a deficient number, since it is larger than the sum of its proper divisors (2605854415).

11314131665 is a wasteful number, since it uses less digits than its factorization.

11314131665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253.

The product of its digits is 6480, while the sum is 32.

Adding to 11314131665 its reverse (56613141311), we get a palindrome (67927272976).

The spelling of 11314131665 in words is "eleven billion, three hundred fourteen million, one hundred thirty-one thousand, six hundred sixty-five".