11144353321 has 4 divisors (see below), whose sum is σ = 11186727552. Its totient is φ = 11101979092.

The previous prime is 11144353313. The next prime is 11144353351. The reversal of 11144353321 is 12335344111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11144353321 - 2³ = 11144353313 is a prime.

It is a super-2 number, since 2×11144353321² (a number of 21 digits) contains 22 as substring.

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 11144353321.

It is not an unprimeable number, because it can be changed into a prime (11144353351) by changing a digit.

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, 21186721 + ... + 21187246.

It is an arithmetic number, because the mean of its divisors is an integer number (2796681888).

Almost surely, 2^11144353321 is an apocalyptic number.

It is an amenable number.

11144353321 is a deficient number, since it is larger than the sum of its proper divisors (42374231).

11144353321 is an equidigital number, since it uses as much as digits as its factorization.

11144353321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42374230.

The product of its digits is 4320, while the sum is 28.

Adding to 11144353321 its reverse (12335344111), we get a palindrome (23479697432).

The spelling of 11144353321 in words is "eleven billion, one hundred forty-four million, three hundred fifty-three thousand, three hundred twenty-one".