211105303253 has 8 divisors (see below), whose sum is σ = 229551399168. Its totient is φ = 192974525424.

The previous prime is 211105303247. The next prime is 211105303261. The reversal of 211105303253 is 352303501112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211105303253 - 2³² = 206810335957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211105303223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78828125 + ... + 78830802.

It is an arithmetic number, because the mean of its divisors is an integer number (28693924896).

Almost surely, 2^211105303253 is an apocalyptic number.

It is an amenable number.

211105303253 is a deficient number, since it is larger than the sum of its proper divisors (18446095915).

211105303253 is a wasteful number, since it uses less digits than its factorization.

211105303253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157659043.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 211105303253 its reverse (352303501112), we get a palindrome (563408804365).

The spelling of 211105303253 in words is "two hundred eleven billion, one hundred five million, three hundred three thousand, two hundred fifty-three".