215522541240200 has 96 divisors (see below), whose sum is σ = 509590653084000. Its totient is φ = 84746566924800.

The previous prime is 215522541240119. The next prime is 215522541240229. The reversal of 215522541240200 is 2042145225512.

It is a happy 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 23 ways as a sum of consecutive naturals, for example, 1303121111 + ... + 1303286489.

It is an arithmetic number, because the mean of its divisors is an integer number (5308235969625).

Almost surely, 2^{215522541240200} is an apocalyptic number.

215522541240200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215522541240200 is an abundant number, since it is smaller than the sum of its proper divisors (294068111843800).

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

215522541240200 is a wasteful number, since it uses less digits than its factorization.

215522541240200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275895 (or 275886 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 215522541240200 its reverse (2042145225512), we get a palindrome (217564686465712).

The spelling of 215522541240200 in words is "two hundred fifteen trillion, five hundred twenty-two billion, five hundred forty-one million, two hundred forty thousand, two hundred".