215051332255 has 16 divisors (see below), whose sum is σ = 260499906144. Its totient is φ = 170417336320.

The previous prime is 215051332241. The next prime is 215051332261. The reversal of 215051332255 is 552233150512.

215051332255 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 215051332255 - 2⁷ = 215051332127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 215051332255.

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, 846660 + ... + 1070950.

It is an arithmetic number, because the mean of its divisors is an integer number (16281244134).

Almost surely, 2^215051332255 is an apocalyptic number.

215051332255 is a deficient number, since it is larger than the sum of its proper divisors (45448573889).

215051332255 is a wasteful number, since it uses less digits than its factorization.

215051332255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226106.

The product of its (nonzero) digits is 45000, while the sum is 34.

Adding to 215051332255 its reverse (552233150512), we get a palindrome (767284482767).

The spelling of 215051332255 in words is "two hundred fifteen billion, fifty-one million, three hundred thirty-two thousand, two hundred fifty-five".