5218535306508 has 24 divisors (see below), whose sum is σ = 12176855127360. Its totient is φ = 1739472805200.

The previous prime is 5218535306459. The next prime is 5218535306521. The reversal of 5218535306508 is 8056035358125.

It is a super-2 number, since 2×5218535306508² (a number of 26 digits) contains 22 as substring.

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, 4309818 + ... + 5386241.

It is an arithmetic number, because the mean of its divisors is an integer number (507368963640).

Almost surely, 2^{5218535306508} is an apocalyptic number.

It is an amenable number.

5218535306508 is an abundant number, since it is smaller than the sum of its proper divisors (6958319820852).

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

5218535306508 is a wasteful number, since it uses less digits than its factorization.

5218535306508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9740917 (or 9740915 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 51.

The spelling of 5218535306508 in words is "five trillion, two hundred eighteen billion, five hundred thirty-five million, three hundred six thousand, five hundred eight".