11321021344 has 48 divisors (see below), whose sum is σ = 23652405000. Its totient is φ = 5315559424.

The previous prime is 11321021321. The next prime is 11321021353. The reversal of 11321021344 is 44312012311.

It can be written as a sum of positive squares in 4 ways, for example, as 9917769744 + 1403251600 = 99588^2 + 37460^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 221082 + ... + 267430.

Almost surely, 2^11321021344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11321021344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11826202500).

11321021344 is an abundant number, since it is smaller than the sum of its proper divisors (12331383656).

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

11321021344 is a wasteful number, since it uses less digits than its factorization.

11321021344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46825 (or 46817 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11321021344 its reverse (44312012311), we get a palindrome (55633033655).

The spelling of 11321021344 in words is "eleven billion, three hundred twenty-one million, twenty-one thousand, three hundred forty-four".