1371261885775 has 12 divisors (see below), whose sum is σ = 1703856262192. Its totient is φ = 1094756912640.

The previous prime is 1371261885751. The next prime is 1371261885779. The reversal of 1371261885775 is 5775881621731.

It is not a de Polignac number, because 1371261885775 - 2²¹ = 1371259788623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371261885779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56302482 + ... + 56326831.

Almost surely, 2^{1371261885775} is an apocalyptic number.

1371261885775 is a deficient number, since it is larger than the sum of its proper divisors (332594376417).

1371261885775 is a wasteful number, since it uses less digits than its factorization.

1371261885775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112629810 (or 112629805 counting only the distinct ones).

The product of its digits is 19756800, while the sum is 61.

The spelling of 1371261885775 in words is "one trillion, three hundred seventy-one billion, two hundred sixty-one million, eight hundred eighty-five thousand, seven hundred seventy-five".