5171757831217 has 8 divisors (see below), whose sum is σ = 5230318088520. Its totient is φ = 5113207587840.

The previous prime is 5171757831209. The next prime is 5171757831223. The reversal of 5171757831217 is 7121387571715.

It can be written as a sum of positive squares in 4 ways, for example, as 2193230673936 + 2978527157281 = 1480956^2 + 1725841^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5171757831217 - 2³ = 5171757831209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5171757831817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1462284 + ... + 3532957.

It is an arithmetic number, because the mean of its divisors is an integer number (653789761065).

Almost surely, 2^{5171757831217} is an apocalyptic number.

It is an amenable number.

5171757831217 is a deficient number, since it is larger than the sum of its proper divisors (58560257303).

5171757831217 is a wasteful number, since it uses less digits than its factorization.

5171757831217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006963.

The product of its digits is 2881200, while the sum is 55.

The spelling of 5171757831217 in words is "five trillion, one hundred seventy-one billion, seven hundred fifty-seven million, eight hundred thirty-one thousand, two hundred seventeen".