12533161705709 has 2 divisors, whose sum is σ = 12533161705710. Its totient is φ = 12533161705708.

The previous prime is 12533161705651. The next prime is 12533161705721. The reversal of 12533161705709 is 90750716133521.

12533161705709 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., 6347729080900 + 6185432624809 = 2519470^2 + 2487053^2 .

It is a cyclic number.

It is not a de Polignac number, because 12533161705709 - 2³² = 12528866738413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12533161705739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6266580852854 + 6266580852855.

It is an arithmetic number, because the mean of its divisors is an integer number (6266580852855).

Almost surely, 2^{12533161705709} is an apocalyptic number.

It is an amenable number.

12533161705709 is a deficient number, since it is larger than the sum of its proper divisors (1).

12533161705709 is an equidigital number, since it uses as much as digits as its factorization.

12533161705709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1190700, while the sum is 50.

The spelling of 12533161705709 in words is "twelve trillion, five hundred thirty-three billion, one hundred sixty-one million, seven hundred five thousand, seven hundred nine".