13125075361 has 2 divisors, whose sum is σ = 13125075362. Its totient is φ = 13125075360.

The previous prime is 13125075311. The next prime is 13125075367. The reversal of 13125075361 is 16357052131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8362005136 + 4763070225 = 91444^2 + 69015^2 .

It is a cyclic number.

It is not a de Polignac number, because 13125075361 - 2⁹ = 13125074849 is a prime.

It is not a weakly prime, because it can be changed into another prime (13125075367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6562537680 + 6562537681.

It is an arithmetic number, because the mean of its divisors is an integer number (6562537681).

Almost surely, 2^13125075361 is an apocalyptic number.

It is an amenable number.

13125075361 is a deficient number, since it is larger than the sum of its proper divisors (1).

13125075361 is an equidigital number, since it uses as much as digits as its factorization.

13125075361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 34.

The spelling of 13125075361 in words is "thirteen billion, one hundred twenty-five million, seventy-five thousand, three hundred sixty-one".