11328538531889 has 2 divisors, whose sum is σ = 11328538531890. Its totient is φ = 11328538531888.

The previous prime is 11328538531859. The next prime is 11328538531963. The reversal of 11328538531889 is 98813583582311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10669532280625 + 659006251264 = 3266425^2 + 811792^2 .

It is a cyclic number.

It is not a de Polignac number, because 11328538531889 - 2⁸ = 11328538531633 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11328538531859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5664269265944 + 5664269265945.

It is an arithmetic number, because the mean of its divisors is an integer number (5664269265945).

Almost surely, 2^{11328538531889} is an apocalyptic number.

It is an amenable number.

11328538531889 is a deficient number, since it is larger than the sum of its proper divisors (1).

11328538531889 is an equidigital number, since it uses as much as digits as its factorization.

11328538531889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49766400, while the sum is 65.

The spelling of 11328538531889 in words is "eleven trillion, three hundred twenty-eight billion, five hundred thirty-eight million, five hundred thirty-one thousand, eight hundred eighty-nine".