1316735631625 has 16 divisors (see below), whose sum is σ = 1681502030208. Its totient is φ = 1028891094000.

The previous prime is 1316735631623. The next prime is 1316735631643. The reversal of 1316735631625 is 5261365376131.

It is not a de Polignac number, because 1316735631625 - 2¹ = 1316735631623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1316735631623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122481661 + ... + 122492410.

It is an arithmetic number, because the mean of its divisors is an integer number (105093876888).

Almost surely, 2^{1316735631625} is an apocalyptic number.

It is an amenable number.

1316735631625 is a deficient number, since it is larger than the sum of its proper divisors (364766398583).

1316735631625 is an equidigital number, since it uses as much as digits as its factorization.

1316735631625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244974129 (or 244974119 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 49.

The spelling of 1316735631625 in words is "one trillion, three hundred sixteen billion, seven hundred thirty-five million, six hundred thirty-one thousand, six hundred twenty-five".