11441221140 has 48 divisors (see below), whose sum is σ = 32239492992. Its totient is φ = 3031556736.

The previous prime is 11441221133. The next prime is 11441221157. The reversal of 11441221140 is 4112214411.

11441221140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597864 + ... + 616703.

It is an arithmetic number, because the mean of its divisors is an integer number (671656104).

Almost surely, 2^11441221140 is an apocalyptic number.

11441221140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11441221140 is an abundant number, since it is smaller than the sum of its proper divisors (20798271852).

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

11441221140 is a wasteful number, since it uses less digits than its factorization.

11441221140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214736 (or 1214734 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11441221140 its reverse (4112214411), we get a palindrome (15553435551).

The spelling of 11441221140 in words is "eleven billion, four hundred forty-one million, two hundred twenty-one thousand, one hundred forty".