11144143321 has 16 divisors (see below), whose sum is σ = 11889239040. Its totient is φ = 10415275920.

The previous prime is 11144143303. The next prime is 11144143349. The reversal of 11144143321 is 12334144111.

It is a cyclic number.

It is not a de Polignac number, because 11144143321 - 2²³ = 11135754713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11144143391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1166956 + ... + 1176466.

It is an arithmetic number, because the mean of its divisors is an integer number (743077440).

Almost surely, 2^11144143321 is an apocalyptic number.

It is an amenable number.

11144143321 is a deficient number, since it is larger than the sum of its proper divisors (745095719).

11144143321 is an equidigital number, since it uses as much as digits as its factorization.

11144143321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10356.

The product of its digits is 1152, while the sum is 25.

Adding to 11144143321 its reverse (12334144111), we get a palindrome (23478287432).

The spelling of 11144143321 in words is "eleven billion, one hundred forty-four million, one hundred forty-three thousand, three hundred twenty-one".