1361783100571 has 2 divisors, whose sum is σ = 1361783100572. Its totient is φ = 1361783100570.

The previous prime is 1361783100551. The next prime is 1361783100617. The reversal of 1361783100571 is 1750013871631.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1361783100571 is a prime.

It is not a weakly prime, because it can be changed into another prime (1361783100511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680891550285 + 680891550286.

It is an arithmetic number, because the mean of its divisors is an integer number (680891550286).

Almost surely, 2^{1361783100571} is an apocalyptic number.

1361783100571 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361783100571 is an equidigital number, since it uses as much as digits as its factorization.

1361783100571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 43.

The spelling of 1361783100571 in words is "one trillion, three hundred sixty-one billion, seven hundred eighty-three million, one hundred thousand, five hundred seventy-one".