215041244211 has 12 divisors (see below), whose sum is σ = 310637372760. Its totient is φ = 143350563840.

The previous prime is 215041244189. The next prime is 215041244273. The reversal of 215041244211 is 112442140512.

215041244211 is a `hidden beast` number, since 21 + 504 + 124 + 4 + 2 + 11 = 666.

215041244211 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 215041244211 - 2⁵ = 215041244179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215041244111) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 721701 + ... + 975158.

It is an arithmetic number, because the mean of its divisors is an integer number (25886447730).

Almost surely, 2^215041244211 is an apocalyptic number.

215041244211 is a deficient number, since it is larger than the sum of its proper divisors (95596128549).

215041244211 is a wasteful number, since it uses less digits than its factorization.

215041244211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710946 (or 1710943 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 215041244211 its reverse (112442140512), we get a palindrome (327483384723).

The spelling of 215041244211 in words is "two hundred fifteen billion, forty-one million, two hundred forty-four thousand, two hundred eleven".