3218008355585 has 8 divisors (see below), whose sum is σ = 3994768993320. Its totient is φ = 2485634040064.

The previous prime is 3218008355539. The next prime is 3218008355629. The reversal of 3218008355585 is 5855538008123.

3218008355585 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1329492017296 + 1888516338289 = 1153036^2 + 1374233^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3218008355585 is a prime.

It is a super-2 number, since 2×3218008355585² (a number of 26 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 11096580392 + ... + 11096580681.

It is an arithmetic number, because the mean of its divisors is an integer number (499346124165).

Almost surely, 2^{3218008355585} is an apocalyptic number.

It is an amenable number.

3218008355585 is a deficient number, since it is larger than the sum of its proper divisors (776760637735).

3218008355585 is a wasteful number, since it uses less digits than its factorization.

3218008355585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22193161107.

The product of its (nonzero) digits is 5760000, while the sum is 53.

The spelling of 3218008355585 in words is "three trillion, two hundred eighteen billion, eight million, three hundred fifty-five thousand, five hundred eighty-five".