11143404112321 has 16 divisors (see below), whose sum is σ = 12181859972800. Its totient is φ = 10130898495168.

The previous prime is 11143404112307. The next prime is 11143404112327. The reversal of 11143404112321 is 12321140434111.

It is a cyclic number.

It is not a de Polignac number, because 11143404112321 - 2⁹ = 11143404111809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11143404112321.

It is not an unprimeable number, because it can be changed into a prime (11143404112327) by changing a digit.

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, 3798595 + ... + 6059383.

It is an arithmetic number, because the mean of its divisors is an integer number (761366248300).

Almost surely, 2^{11143404112321} is an apocalyptic number.

It is an amenable number.

11143404112321 is a deficient number, since it is larger than the sum of its proper divisors (1038455860479).

11143404112321 is a wasteful number, since it uses less digits than its factorization.

11143404112321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266528.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 11143404112321 its reverse (12321140434111), we get a palindrome (23464544546432).

The spelling of 11143404112321 in words is "eleven trillion, one hundred forty-three billion, four hundred four million, one hundred twelve thousand, three hundred twenty-one".