215503324112 has 40 divisors (see below), whose sum is σ = 435731647104. Its totient is φ = 103057311104.

The previous prime is 215503324109. The next prime is 215503324121. The reversal of 215503324112 is 211423305512.

215503324112 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 7 ways as a sum of consecutive naturals, for example, 5520053 + ... + 5558955.

Almost surely, 2^215503324112 is an apocalyptic number.

It is an amenable number.

215503324112 is an abundant number, since it is smaller than the sum of its proper divisors (220228322992).

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

215503324112 is a wasteful number, since it uses less digits than its factorization.

215503324112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53987 (or 53981 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 215503324112 its reverse (211423305512), we get a palindrome (426926629624).

The spelling of 215503324112 in words is "two hundred fifteen billion, five hundred three million, three hundred twenty-four thousand, one hundred twelve".