11433389161 has 2 divisors, whose sum is σ = 11433389162. Its totient is φ = 11433389160.

The previous prime is 11433389111. The next prime is 11433389207. The reversal of 11433389161 is 16198333411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10708110400 + 725278761 = 103480^2 + 26931^2 .

It is a cyclic number.

It is not a de Polignac number, because 11433389161 - 2¹¹ = 11433387113 is a prime.

It is not a weakly prime, because it can be changed into another prime (11433389111) 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, 5716694580 + 5716694581.

It is an arithmetic number, because the mean of its divisors is an integer number (5716694581).

Almost surely, 2^11433389161 is an apocalyptic number.

It is an amenable number.

11433389161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11433389161 is an equidigital number, since it uses as much as digits as its factorization.

11433389161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The spelling of 11433389161 in words is "eleven billion, four hundred thirty-three million, three hundred eighty-nine thousand, one hundred sixty-one".