5171317155 has 32 divisors (see below), whose sum is σ = 9226708800. Its totient is φ = 2748059136.

The previous prime is 5171317147. The next prime is 5171317181. The reversal of 5171317155 is 5517131715.

5171317155 is a `hidden beast` number, since 517 + 131 + 7 + 1 + 5 + 5 = 666.

It is not a de Polignac number, because 5171317155 - 2³ = 5171317147 is a prime.

It is a super-2 number, since 2×5171317155² = 53485042235194588050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31750 + ... + 106539.

It is an arithmetic number, because the mean of its divisors is an integer number (288334650).

Almost surely, 2^5171317155 is an apocalyptic number.

5171317155 is a deficient number, since it is larger than the sum of its proper divisors (4055391645).

5171317155 is a wasteful number, since it uses less digits than its factorization.

5171317155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138580 (or 138574 counting only the distinct ones).

The product of its digits is 18375, while the sum is 36.

The square root of 5171317155 is about 71911.8707516360. The cubic root of 5171317155 is about 1729.2869253205.

The spelling of 5171317155 in words is "five billion, one hundred seventy-one million, three hundred seventeen thousand, one hundred fifty-five".