5191001171 has 4 divisors (see below), whose sum is σ = 5193267312. Its totient is φ = 5188735032.

The previous prime is 5191001117. The next prime is 5191001177. The reversal of 5191001171 is 1711001915.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5191001171 - 2³⁰ = 4117259347 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 5191001171.

It is not an unprimeable number, because it can be changed into a prime (5191001177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1129631 + ... + 1134216.

It is an arithmetic number, because the mean of its divisors is an integer number (1298316828).

Almost surely, 2^5191001171 is an apocalyptic number.

5191001171 is a deficient number, since it is larger than the sum of its proper divisors (2266141).

5191001171 is a wasteful number, since it uses less digits than its factorization.

5191001171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266140.

The product of its (nonzero) digits is 315, while the sum is 26.

The square root of 5191001171 is about 72048.6028386394. The cubic root of 5191001171 is about 1731.4782570254.

The spelling of 5191001171 in words is "five billion, one hundred ninety-one million, one thousand, one hundred seventy-one".