11321445133 has 2 divisors, whose sum is σ = 11321445134. Its totient is φ = 11321445132.

The previous prime is 11321445073. The next prime is 11321445151. The reversal of 11321445133 is 33154412311.

11321445133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10555096644 + 766348489 = 102738^2 + 27683^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11321445133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11322445133) 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 as a sum of consecutive naturals, namely, 5660722566 + 5660722567.

It is an arithmetic number, because the mean of its divisors is an integer number (5660722567).

Almost surely, 2^11321445133 is an apocalyptic number.

It is an amenable number.

11321445133 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321445133 is an equidigital number, since it uses as much as digits as its factorization.

11321445133 is an odious number, because the sum of its binary digits is odd.

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

Adding to 11321445133 its reverse (33154412311), we get a palindrome (44475857444).

The spelling of 11321445133 in words is "eleven billion, three hundred twenty-one million, four hundred forty-five thousand, one hundred thirty-three".