5172786211 has 2 divisors, whose sum is σ = 5172786212. Its totient is φ = 5172786210.

The previous prime is 5172786209. The next prime is 5172786247. The reversal of 5172786211 is 1126872715.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5172786211 - 2¹ = 5172786209 is a prime.

Together with 5172786209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5172789211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2586393105 + 2586393106.

It is an arithmetic number, because the mean of its divisors is an integer number (2586393106).

Almost surely, 2^5172786211 is an apocalyptic number.

5172786211 is a deficient number, since it is larger than the sum of its proper divisors (1).

5172786211 is an equidigital number, since it uses as much as digits as its factorization.

5172786211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 40.

The square root of 5172786211 is about 71922.0843065605. The cubic root of 5172786211 is about 1729.4506604474.

The spelling of 5172786211 in words is "five billion, one hundred seventy-two million, seven hundred eighty-six thousand, two hundred eleven".