1361326171213 has 2 divisors, whose sum is σ = 1361326171214. Its totient is φ = 1361326171212.

The previous prime is 1361326171147. The next prime is 1361326171237. The reversal of 1361326171213 is 3121716231631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 858222518409 + 503103652804 = 926403^2 + 709298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1361326171213 is a prime.

It is a super-3 number, since 3×1361326171213³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361326171273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680663085606 + 680663085607.

It is an arithmetic number, because the mean of its divisors is an integer number (680663085607).

Almost surely, 2^{1361326171213} is an apocalyptic number.

It is an amenable number.

1361326171213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361326171213 is an equidigital number, since it uses as much as digits as its factorization.

1361326171213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The spelling of 1361326171213 in words is "one trillion, three hundred sixty-one billion, three hundred twenty-six million, one hundred seventy-one thousand, two hundred thirteen".