11440121343 has 48 divisors (see below), whose sum is σ = 17817970176. Its totient is φ = 6395500800.

The previous prime is 11440121333. The next prime is 11440121359. The reversal of 11440121343 is 34312104411.

It is not a de Polignac number, because 11440121343 - 2⁹ = 11440120831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11440121333) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16897921 + ... + 16898597.

It is an arithmetic number, because the mean of its divisors is an integer number (371207712).

Almost surely, 2^11440121343 is an apocalyptic number.

11440121343 is a deficient number, since it is larger than the sum of its proper divisors (6377848833).

11440121343 is an equidigital number, since it uses as much as digits as its factorization.

11440121343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 11440121343 its reverse (34312104411), we get a palindrome (45752225754).

The spelling of 11440121343 in words is "eleven billion, four hundred forty million, one hundred twenty-one thousand, three hundred forty-three".