5171711711 has 4 divisors (see below), whose sum is σ = 5174213400. Its totient is φ = 5169210024.

The previous prime is 5171711641. The next prime is 5171711749. The reversal of 5171711711 is 1171171715.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5171711711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5171711911) 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, 1247741 + ... + 1251878.

It is an arithmetic number, because the mean of its divisors is an integer number (1293553350).

Almost surely, 2^5171711711 is an apocalyptic number.

5171711711 is a deficient number, since it is larger than the sum of its proper divisors (2501689).

5171711711 is a wasteful number, since it uses less digits than its factorization.

5171711711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501688.

The product of its digits is 1715, while the sum is 32.

The square root of 5171711711 is about 71914.6140294169. The cubic root of 5171711711 is about 1729.3309040052.

The spelling of 5171711711 in words is "five billion, one hundred seventy-one million, seven hundred eleven thousand, seven hundred eleven".