11043322240 has 64 divisors (see below), whose sum is σ = 26426270160. Its totient is φ = 4413007872.

The previous prime is 11043322229. The next prime is 11043322249. The reversal of 11043322240 is 4222334011.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11043322249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691627 + ... + 707413.

Almost surely, 2^11043322240 is an apocalyptic number.

11043322240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11043322240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13213135080).

11043322240 is an abundant number, since it is smaller than the sum of its proper divisors (15382947920).

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

11043322240 is a wasteful number, since it uses less digits than its factorization.

11043322240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16899 (or 16887 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 11043322240 its reverse (4222334011), we get a palindrome (15265656251).

The spelling of 11043322240 in words is "eleven billion, forty-three million, three hundred twenty-two thousand, two hundred forty".