5186511868 has 12 divisors (see below), whose sum is σ = 9471021840. Its totient is φ = 2480505632.

The previous prime is 5186511859. The next prime is 5186511877. The reversal of 5186511868 is 8681156815.

It is an interprime number because it is at equal distance from previous prime (5186511859) and next prime (5186511877).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28187473 + ... + 28187656.

It is an arithmetic number, because the mean of its divisors is an integer number (789251820).

Almost surely, 2^5186511868 is an apocalyptic number.

It is an amenable number.

5186511868 is a deficient number, since it is larger than the sum of its proper divisors (4284509972).

5186511868 is a wasteful number, since it uses less digits than its factorization.

5186511868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56375156 (or 56375154 counting only the distinct ones).

The product of its digits is 460800, while the sum is 49.

The square root of 5186511868 is about 72017.4414152572. The cubic root of 5186511868 is about 1730.9789716820.

The spelling of 5186511868 in words is "five billion, one hundred eighty-six million, five hundred eleven thousand, eight hundred sixty-eight".