215113043215 has 16 divisors (see below), whose sum is σ = 295363837440. Its totient is φ = 147330254880.

The previous prime is 215113043203. The next prime is 215113043239. The reversal of 215113043215 is 512340311512.

215113043215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 215113043215 - 2¹⁷ = 215112912143 is a prime.

It is a super-2 number, since 2×215113043215² (a number of 23 digits) contains 22 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 15 ways as a sum of consecutive naturals, for example, 3633381 + ... + 3692110.

It is an arithmetic number, because the mean of its divisors is an integer number (18460239840).

Almost surely, 2^215113043215 is an apocalyptic number.

215113043215 is a deficient number, since it is larger than the sum of its proper divisors (80250794225).

215113043215 is an equidigital number, since it uses as much as digits as its factorization.

215113043215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7326342.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 215113043215 its reverse (512340311512), we get a palindrome (727453354727).

The spelling of 215113043215 in words is "two hundred fifteen billion, one hundred thirteen million, forty-three thousand, two hundred fifteen".