5218503388836 has 24 divisors (see below), whose sum is σ = 12177078113760. Its totient is φ = 1739419671552.

The previous prime is 5218503388817. The next prime is 5218503388837. The reversal of 5218503388836 is 6388833058125.

It is a self number, because there is not a number n which added to its sum of digits gives 5218503388836.

It is not an unprimeable number, because it can be changed into a prime (5218503388837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9915046 + ... + 10428093.

It is an arithmetic number, because the mean of its divisors is an integer number (507378254740).

Almost surely, 2^{5218503388836} is an apocalyptic number.

It is an amenable number.

5218503388836 is an abundant number, since it is smaller than the sum of its proper divisors (6958574724924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5218503388836 is a wasteful number, since it uses less digits than its factorization.

5218503388836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20364523 (or 20364521 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 60.

The spelling of 5218503388836 in words is "five trillion, two hundred eighteen billion, five hundred three million, three hundred eighty-eight thousand, eight hundred thirty-six".