215315533204 has 12 divisors (see below), whose sum is σ = 378587976928. Its totient is φ = 107147539800.

The previous prime is 215315533171. The next prime is 215315533219. The reversal of 215315533204 is 402335513512.

215315533204 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 215315533204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127555752 + ... + 127557439.

Almost surely, 2^215315533204 is an apocalyptic number.

It is an amenable number.

215315533204 is a deficient number, since it is larger than the sum of its proper divisors (163272443724).

215315533204 is a wasteful number, since it uses less digits than its factorization.

215315533204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255113406 (or 255113404 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 215315533204 in words is "two hundred fifteen billion, three hundred fifteen million, five hundred thirty-three thousand, two hundred four".