215523223152 has 40 divisors (see below), whose sum is σ = 589519406736. Its totient is φ = 67615128576.

The previous prime is 215523223109. The next prime is 215523223163. The reversal of 215523223152 is 251322325512.

215523223152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×215523223152³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

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, 132059983 + ... + 132061614.

Almost surely, 2^215523223152 is an apocalyptic number.

It is an amenable number.

215523223152 is an abundant number, since it is smaller than the sum of its proper divisors (373996183584).

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

215523223152 is a wasteful number, since it uses less digits than its factorization.

215523223152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264121625 (or 264121619 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

Adding to 215523223152 its reverse (251322325512), we get a palindrome (466845548664).

The spelling of 215523223152 in words is "two hundred fifteen billion, five hundred twenty-three million, two hundred twenty-three thousand, one hundred fifty-two".