201611201033215 has 16 divisors (see below), whose sum is σ = 246535852844736. Its totient is φ = 158221615552000.

The previous prime is 201611201033197. The next prime is 201611201033251. The reversal of 201611201033215 is 512330102116102.

It is not a de Polignac number, because 201611201033215 - 2¹¹ = 201611201031167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56331226 + ... + 59803255.

It is an arithmetic number, because the mean of its divisors is an integer number (15408490802796).

Almost surely, 2^{201611201033215} is an apocalyptic number.

201611201033215 is a deficient number, since it is larger than the sum of its proper divisors (44924651811521).

201611201033215 is a wasteful number, since it uses less digits than its factorization.

201611201033215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116141090.

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 201611201033215 its reverse (512330102116102), we get a palindrome (713941303149317).

The spelling of 201611201033215 in words is "two hundred one trillion, six hundred eleven billion, two hundred one million, thirty-three thousand, two hundred fifteen".