11444133031321 has 2 divisors, whose sum is σ = 11444133031322. Its totient is φ = 11444133031320.

The previous prime is 11444133031313. The next prime is 11444133031351. The reversal of 11444133031321 is 12313033144411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9866107153296 + 1578025878025 = 3141036^2 + 1256195^2 .

It is a cyclic number.

It is not a de Polignac number, because 11444133031321 - 2³ = 11444133031313 is a prime.

It is not a weakly prime, because it can be changed into another prime (11444133031351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5722066515660 + 5722066515661.

It is an arithmetic number, because the mean of its divisors is an integer number (5722066515661).

Almost surely, 2^{11444133031321} is an apocalyptic number.

It is an amenable number.

11444133031321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11444133031321 is an equidigital number, since it uses as much as digits as its factorization.

11444133031321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 11444133031321 its reverse (12313033144411), we get a palindrome (23757166175732).

The spelling of 11444133031321 in words is "eleven trillion, four hundred forty-four billion, one hundred thirty-three million, thirty-one thousand, three hundred twenty-one".