11440144322421 has 8 divisors (see below), whose sum is σ = 15254650128384. Its totient is φ = 7626200699040.

The previous prime is 11440144322389. The next prime is 11440144322447. The reversal of 11440144322421 is 12422344104411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11440144322421 - 2⁵ = 11440144322389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11440144322461) 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, 140498160 + ... + 140579561.

It is an arithmetic number, because the mean of its divisors is an integer number (1906831266048).

Almost surely, 2^{11440144322421} is an apocalyptic number.

It is an amenable number.

11440144322421 is a deficient number, since it is larger than the sum of its proper divisors (3814505805963).

11440144322421 is a wasteful number, since it uses less digits than its factorization.

11440144322421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281091291.

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 11440144322421 its reverse (12422344104411), we get a palindrome (23862488426832).

The spelling of 11440144322421 in words is "eleven trillion, four hundred forty billion, one hundred forty-four million, three hundred twenty-two thousand, four hundred twenty-one".