317765137475 has 6 divisors (see below), whose sum is σ = 394028770500. Its totient is φ = 254212109960.

The previous prime is 317765137471. The next prime is 317765137561. The reversal of 317765137475 is 574731567713.

It is not a de Polignac number, because 317765137475 - 2² = 317765137471 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 317765137475.

It is not an unprimeable number, because it can be changed into a prime (317765137471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6355302725 + ... + 6355302774.

It is an arithmetic number, because the mean of its divisors is an integer number (65671461750).

Almost surely, 2^317765137475 is an apocalyptic number.

317765137475 is a deficient number, since it is larger than the sum of its proper divisors (76263633025).

317765137475 is a wasteful number, since it uses less digits than its factorization.

317765137475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12710605509 (or 12710605504 counting only the distinct ones).

The product of its digits is 12965400, while the sum is 56.

The spelling of 317765137475 in words is "three hundred seventeen billion, seven hundred sixty-five million, one hundred thirty-seven thousand, four hundred seventy-five".