11440005005321 has 16 divisors (see below), whose sum is σ = 11847011266560. Its totient is φ = 11041385287680.

The previous prime is 11440005005311. The next prime is 11440005005369. The reversal of 11440005005321 is 12350050004411.

It is a cyclic number.

It is not a de Polignac number, because 11440005005321 - 2³⁰ = 11438931263497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11440005005311) 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, 4395401 + ... + 6496118.

It is an arithmetic number, because the mean of its divisors is an integer number (740438204160).

Almost surely, 2^{11440005005321} is an apocalyptic number.

It is an amenable number.

11440005005321 is a deficient number, since it is larger than the sum of its proper divisors (407006261239).

11440005005321 is a wasteful number, since it uses less digits than its factorization.

11440005005321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10891904.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 11440005005321 its reverse (12350050004411), we get a palindrome (23790055009732).

The spelling of 11440005005321 in words is "eleven trillion, four hundred forty billion, five million, five thousand, three hundred twenty-one".