5187111863 has 2 divisors, whose sum is σ = 5187111864. Its totient is φ = 5187111862.

The previous prime is 5187111857. The next prime is 5187111931. The reversal of 5187111863 is 3681117815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5187111863 - 2⁴ = 5187111847 is a prime.

It is a super-2 number, since 2×5187111863² = 53812258958550661538, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5187111863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5187111263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2593555931 + 2593555932.

It is an arithmetic number, because the mean of its divisors is an integer number (2593555932).

Almost surely, 2^5187111863 is an apocalyptic number.

5187111863 is a deficient number, since it is larger than the sum of its proper divisors (1).

5187111863 is an equidigital number, since it uses as much as digits as its factorization.

5187111863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 41.

The square root of 5187111863 is about 72021.6069176466. The cubic root of 5187111863 is about 1731.0457178052.

The spelling of 5187111863 in words is "five billion, one hundred eighty-seven million, one hundred eleven thousand, eight hundred sixty-three".