5113216111 has 2 divisors, whose sum is σ = 5113216112. Its totient is φ = 5113216110.

The previous prime is 5113216109. The next prime is 5113216117. The reversal of 5113216111 is 1116123115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5113216111 - 2¹ = 5113216109 is a prime.

It is a super-2 number, since 2×5113216111² = 52289957995579928642, which contains 22 as substring.

Together with 5113216109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5113216117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2556608055 + 2556608056.

It is an arithmetic number, because the mean of its divisors is an integer number (2556608056).

Almost surely, 2^5113216111 is an apocalyptic number.

5113216111 is a deficient number, since it is larger than the sum of its proper divisors (1).

5113216111 is an equidigital number, since it uses as much as digits as its factorization.

5113216111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180, while the sum is 22.

The square root of 5113216111 is about 71506.7557018216. The cubic root of 5113216111 is about 1722.7861944422.

Adding to 5113216111 its reverse (1116123115), we get a palindrome (6229339226).

The spelling of 5113216111 in words is "five billion, one hundred thirteen million, two hundred sixteen thousand, one hundred eleven".