1361322327791 has 2 divisors, whose sum is σ = 1361322327792. Its totient is φ = 1361322327790.

The previous prime is 1361322327727. The next prime is 1361322327817. The reversal of 1361322327791 is 1977232231631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1361322327791 - 2⁶ = 1361322327727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361322327191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680661163895 + 680661163896.

It is an arithmetic number, because the mean of its divisors is an integer number (680661163896).

Almost surely, 2^{1361322327791} is an apocalyptic number.

1361322327791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361322327791 is an equidigital number, since it uses as much as digits as its factorization.

1361322327791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 47.

The spelling of 1361322327791 in words is "one trillion, three hundred sixty-one billion, three hundred twenty-two million, three hundred twenty-seven thousand, seven hundred ninety-one".