5318271521806 has 16 divisors (see below), whose sum is σ = 8109054581040. Its totient is φ = 2615262684480.

The previous prime is 5318271521791. The next prime is 5318271521819. The reversal of 5318271521806 is 6081251728135.

It is a self number, because there is not a number n which added to its sum of digits gives 5318271521806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1195276 + ... + 3473503.

It is an arithmetic number, because the mean of its divisors is an integer number (506815911315).

Almost surely, 2^{5318271521806} is an apocalyptic number.

5318271521806 is a deficient number, since it is larger than the sum of its proper divisors (2790783059234).

5318271521806 is a wasteful number, since it uses less digits than its factorization.

5318271521806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4678179.

The product of its (nonzero) digits is 806400, while the sum is 49.

The spelling of 5318271521806 in words is "five trillion, three hundred eighteen billion, two hundred seventy-one million, five hundred twenty-one thousand, eight hundred six".