1316717675281 has 4 divisors (see below), whose sum is σ = 1318135025700. Its totient is φ = 1315300324864.

The previous prime is 1316717675261. The next prime is 1316717675323. The reversal of 1316717675281 is 1825767176131.

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 393619466881 + 923098208400 = 627391^2 + 960780^2 .

It is a cyclic number.

It is not a de Polignac number, because 1316717675281 - 2¹¹ = 1316717673233 is a prime.

It is a super-2 number, since 2×1316717675281² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1316717675261) 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, 708673816 + ... + 708675673.

It is an arithmetic number, because the mean of its divisors is an integer number (329533756425).

Almost surely, 2^{1316717675281} is an apocalyptic number.

It is an amenable number.

1316717675281 is a deficient number, since it is larger than the sum of its proper divisors (1417350419).

1316717675281 is an equidigital number, since it uses as much as digits as its factorization.

1316717675281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417350418.

The product of its digits is 2963520, while the sum is 55.

The spelling of 1316717675281 in words is "one trillion, three hundred sixteen billion, seven hundred seventeen million, six hundred seventy-five thousand, two hundred eighty-one".