5105931818 has 32 divisors (see below), whose sum is σ = 8570698752. Its totient is φ = 2265408000.

The previous prime is 5105931751. The next prime is 5105931829. The reversal of 5105931818 is 8181395015.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100730 + ... + 142682.

It is an arithmetic number, because the mean of its divisors is an integer number (267834336).

Almost surely, 2^5105931818 is an apocalyptic number.

5105931818 is a deficient number, since it is larger than the sum of its proper divisors (3464766934).

5105931818 is a wasteful number, since it uses less digits than its factorization.

5105931818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42150.

The product of its (nonzero) digits is 43200, while the sum is 41.

The square root of 5105931818 is about 71455.8032492813. The cubic root of 5105931818 is about 1721.9677113124.

The spelling of 5105931818 in words is "five billion, one hundred five million, nine hundred thirty-one thousand, eight hundred eighteen".