11143309789 has 2 divisors, whose sum is σ = 11143309790. Its totient is φ = 11143309788.

The previous prime is 11143309783. The next prime is 11143309811. The reversal of 11143309789 is 98790334111.

11143309789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10253182564 + 890127225 = 101258^2 + 29835^2 .

It is a cyclic number.

It is not a de Polignac number, because 11143309789 - 2³ = 11143309781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11143309781) 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, 5571654894 + 5571654895.

It is an arithmetic number, because the mean of its divisors is an integer number (5571654895).

Almost surely, 2^11143309789 is an apocalyptic number.

It is an amenable number.

11143309789 is a deficient number, since it is larger than the sum of its proper divisors (1).

11143309789 is an equidigital number, since it uses as much as digits as its factorization.

11143309789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 11143309789 in words is "eleven billion, one hundred forty-three million, three hundred nine thousand, seven hundred eighty-nine".