1316361132225 has 18 divisors (see below), whose sum is σ = 2357749050566. Its totient is φ = 702059270400.

The previous prime is 1316361132223. The next prime is 1316361132271. The reversal of 1316361132225 is 5222311636131.

1316361132225 is a `hidden beast` number, since 1 + 3 + 1 + 6 + 3 + 611 + 32 + 2 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 70764512256 + 1245596619969 = 266016^2 + 1116063^2 .

It is not a de Polignac number, because 1316361132225 - 2¹ = 1316361132223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1316361132225.

It is not an unprimeable number, because it can be changed into a prime (1316361132223) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2925246736 + ... + 2925247185.

Almost surely, 2^{1316361132225} is an apocalyptic number.

1316361132225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1316361132225 is a deficient number, since it is larger than the sum of its proper divisors (1041387918341).

1316361132225 is a wasteful number, since it uses less digits than its factorization.

1316361132225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850493937 (or 5850493929 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

Adding to 1316361132225 its reverse (5222311636131), we get a palindrome (6538672768356).

The spelling of 1316361132225 in words is "one trillion, three hundred sixteen billion, three hundred sixty-one million, one hundred thirty-two thousand, two hundred twenty-five".