13385142161 has 2 divisors, whose sum is σ = 13385142162. Its totient is φ = 13385142160.

The previous prime is 13385142139. The next prime is 13385142187. The reversal of 13385142161 is 16124158331.

It is a happy number.

13385142161 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., 13286020225 + 99121936 = 115265^2 + 9956^2 .

It is a cyclic number.

It is not a de Polignac number, because 13385142161 - 2¹⁴ = 13385125777 is a prime.

It is not a weakly prime, because it can be changed into another prime (13385142101) 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, 6692571080 + 6692571081.

It is an arithmetic number, because the mean of its divisors is an integer number (6692571081).

Almost surely, 2^13385142161 is an apocalyptic number.

It is an amenable number.

13385142161 is a deficient number, since it is larger than the sum of its proper divisors (1).

13385142161 is an equidigital number, since it uses as much as digits as its factorization.

13385142161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The spelling of 13385142161 in words is "thirteen billion, three hundred eighty-five million, one hundred forty-two thousand, one hundred sixty-one".