11211315344 has 20 divisors (see below), whose sum is σ = 21750641724. Its totient is φ = 5598246528.

The previous prime is 11211315331. The next prime is 11211315371. The reversal of 11211315344 is 44351311211.

It can be written as a sum of positive squares in 2 ways, for example, as 9660530944 + 1550784400 = 98288^2 + 39380^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450707 + ... + 474930.

Almost surely, 2^11211315344 is an apocalyptic number.

It is an amenable number.

11211315344 is a deficient number, since it is larger than the sum of its proper divisors (10539326380).

11211315344 is an equidigital number, since it uses as much as digits as its factorization.

11211315344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926402 (or 926396 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

Adding to 11211315344 its reverse (44351311211), we get a palindrome (55562626555).

The spelling of 11211315344 in words is "eleven billion, two hundred eleven million, three hundred fifteen thousand, three hundred forty-four".