1361263417441 has 4 divisors (see below), whose sum is σ = 1441337736132. Its totient is φ = 1281189098752.

The previous prime is 1361263417387. The next prime is 1361263417457. The reversal of 1361263417441 is 1447143621631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 538425750625 + 822837666816 = 733775^2 + 907104^2 .

It is a cyclic number.

It is not a de Polignac number, because 1361263417441 - 2²⁷ = 1361129199713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361263427441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40037159320 + ... + 40037159353.

It is an arithmetic number, because the mean of its divisors is an integer number (360334434033).

Almost surely, 2^{1361263417441} is an apocalyptic number.

It is an amenable number.

1361263417441 is a deficient number, since it is larger than the sum of its proper divisors (80074318691).

1361263417441 is an equidigital number, since it uses as much as digits as its factorization.

1361263417441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80074318690.

The product of its digits is 290304, while the sum is 43.

The spelling of 1361263417441 in words is "one trillion, three hundred sixty-one billion, two hundred sixty-three million, four hundred seventeen thousand, four hundred forty-one".