1317825207315 has 48 divisors (see below), whose sum is σ = 2380980939168. Its totient is φ = 673637741568.

The previous prime is 1317825207313. The next prime is 1317825207397. The reversal of 1317825207315 is 5137025287131.

1317825207315 is a `hidden beast` number, since 1 + 3 + 17 + 82 + 520 + 7 + 31 + 5 = 666.

It is not a de Polignac number, because 1317825207315 - 2¹ = 1317825207313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1317825207313) 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 47 ways as a sum of consecutive naturals, for example, 5795062 + ... + 6018171.

It is an arithmetic number, because the mean of its divisors is an integer number (49603769566).

Almost surely, 2^{1317825207315} is an apocalyptic number.

1317825207315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1317825207315 is a deficient number, since it is larger than the sum of its proper divisors (1063155731853).

1317825207315 is a wasteful number, since it uses less digits than its factorization.

1317825207315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11813348 (or 11813345 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 1317825207315 in words is "one trillion, three hundred seventeen billion, eight hundred twenty-five million, two hundred seven thousand, three hundred fifteen".