215500553200 has 30 divisors (see below), whose sum is σ = 517740080024. Its totient is φ = 86200221120.

The previous prime is 215500553183. The next prime is 215500553267. The reversal of 215500553200 is 2355005512.

215500553200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 269375292 + ... + 269376091.

Almost surely, 2^215500553200 is an apocalyptic number.

215500553200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215500553200 is an abundant number, since it is smaller than the sum of its proper divisors (302239526824).

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

215500553200 is a wasteful number, since it uses less digits than its factorization.

215500553200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538751401 (or 538751390 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

Adding to 215500553200 its reverse (2355005512), we get a palindrome (217855558712).

The spelling of 215500553200 in words is "two hundred fifteen billion, five hundred million, five hundred fifty-three thousand, two hundred".