215243613152 has 24 divisors (see below), whose sum is σ = 428866421256. Its totient is φ = 106325156992.

The previous prime is 215243613133. The next prime is 215243613163. The reversal of 215243613152 is 251316342512.

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, 40517603 + ... + 40522914.

It is an arithmetic number, because the mean of its divisors is an integer number (17869434219).

Almost surely, 2^215243613152 is an apocalyptic number.

It is an amenable number.

215243613152 is a deficient number, since it is larger than the sum of its proper divisors (213622808104).

215243613152 is an equidigital number, since it uses as much as digits as its factorization.

215243613152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81040610 (or 81040602 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

Adding to 215243613152 its reverse (251316342512), we get a palindrome (466559955664).

The spelling of 215243613152 in words is "two hundred fifteen billion, two hundred forty-three million, six hundred thirteen thousand, one hundred fifty-two".