11440121344 has 40 divisors (see below), whose sum is σ = 22878903960. Its totient is φ = 5714804736.

The previous prime is 11440121333. The next prime is 11440121359. The reversal of 11440121344 is 44312104411.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 580647 + ... + 600025.

It is an arithmetic number, because the mean of its divisors is an integer number (571972599).

Almost surely, 2^11440121344 is an apocalyptic number.

It is an amenable number.

11440121344 is a deficient number, since it is larger than the sum of its proper divisors (11438782616).

11440121344 is an equidigital number, since it uses as much as digits as its factorization.

11440121344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20550 (or 20534 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 11440121344 its reverse (44312104411), we get a palindrome (55752225755).

The spelling of 11440121344 in words is "eleven billion, four hundred forty million, one hundred twenty-one thousand, three hundred forty-four".