1361250353717 has 2 divisors, whose sum is σ = 1361250353718. Its totient is φ = 1361250353716.

The previous prime is 1361250353711. The next prime is 1361250353731. The reversal of 1361250353717 is 7173530521631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1311393715921 + 49856637796 = 1145161^2 + 223286^2 .

It is a cyclic number.

It is not a de Polignac number, because 1361250353717 - 2¹⁸ = 1361250091573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361250353711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680625176858 + 680625176859.

It is an arithmetic number, because the mean of its divisors is an integer number (680625176859).

Almost surely, 2^{1361250353717} is an apocalyptic number.

It is an amenable number.

1361250353717 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361250353717 is an equidigital number, since it uses as much as digits as its factorization.

1361250353717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 396900, while the sum is 44.

The spelling of 1361250353717 in words is "one trillion, three hundred sixty-one billion, two hundred fifty million, three hundred fifty-three thousand, seven hundred seventeen".