5172167111 has 2 divisors, whose sum is σ = 5172167112. Its totient is φ = 5172167110.

The previous prime is 5172166999. The next prime is 5172167171. The reversal of 5172167111 is 1117612715.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5172167111 is a prime.

It is a super-2 number, since 2×5172167111² = 53502625248220172642, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5172167171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2586083555 + 2586083556.

It is an arithmetic number, because the mean of its divisors is an integer number (2586083556).

Almost surely, 2^5172167111 is an apocalyptic number.

5172167111 is a deficient number, since it is larger than the sum of its proper divisors (1).

5172167111 is an equidigital number, since it uses as much as digits as its factorization.

5172167111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2940, while the sum is 32.

The square root of 5172167111 is about 71917.7802146312. The cubic root of 5172167111 is about 1729.3816618086.

Adding to 5172167111 its reverse (1117612715), we get a palindrome (6289779826).

The spelling of 5172167111 in words is "five billion, one hundred seventy-two million, one hundred sixty-seven thousand, one hundred eleven".