1361253735271 has 2 divisors, whose sum is σ = 1361253735272. Its totient is φ = 1361253735270.

The previous prime is 1361253735263. The next prime is 1361253735277. The reversal of 1361253735271 is 1725373521631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1361253735271 - 2³ = 1361253735263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361253735277) 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, 680626867635 + 680626867636.

It is an arithmetic number, because the mean of its divisors is an integer number (680626867636).

Almost surely, 2^{1361253735271} is an apocalyptic number.

1361253735271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361253735271 is an equidigital number, since it uses as much as digits as its factorization.

1361253735271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 793800, while the sum is 46.

The spelling of 1361253735271 in words is "one trillion, three hundred sixty-one billion, two hundred fifty-three million, seven hundred thirty-five thousand, two hundred seventy-one".