11321043344 has 20 divisors (see below), whose sum is σ = 23621792796. Its totient is φ = 5225096832.

The previous prime is 11321043337. The next prime is 11321043373. The reversal of 11321043344 is 44334012311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 627001600 + 10694041744 = 25040^2 + 103412^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 27213839 + ... + 27214254.

Almost surely, 2^11321043344 is an apocalyptic number.

It is an amenable number.

11321043344 is an abundant number, since it is smaller than the sum of its proper divisors (12300749452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11321043344 is a wasteful number, since it uses less digits than its factorization.

11321043344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54428114 (or 54428108 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 11321043344 its reverse (44334012311), we get a palindrome (55655055655).

The spelling of 11321043344 in words is "eleven billion, three hundred twenty-one million, forty-three thousand, three hundred forty-four".