215500534014 has 16 divisors (see below), whose sum is σ = 431049006720. Its totient is φ = 71825521560.

The previous prime is 215500533991. The next prime is 215500534021. The reversal of 215500534014 is 410435005512.

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, 1938874 + ... + 2047005.

It is an arithmetic number, because the mean of its divisors is an integer number (26940562920).

Almost surely, 2^215500534014 is an apocalyptic number.

215500534014 is an abundant number, since it is smaller than the sum of its proper divisors (215548472706).

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

215500534014 is a wasteful number, since it uses less digits than its factorization.

215500534014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994895.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 215500534014 its reverse (410435005512), we get a palindrome (625935539526).

The spelling of 215500534014 in words is "two hundred fifteen billion, five hundred million, five hundred thirty-four thousand, fourteen".