211118853 has 16 divisors (see below), whose sum is σ = 308445696. Its totient is φ = 127382640.

The previous prime is 211118839. The next prime is 211118857. The reversal of 211118853 is 358811112.

It is not a de Polignac number, because 211118853 - 2⁴ = 211118837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211118853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211118857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6601 + ... + 21582.

It is an arithmetic number, because the mean of its divisors is an integer number (19277856).

Almost surely, 2^211118853 is an apocalyptic number.

It is an amenable number.

211118853 is a deficient number, since it is larger than the sum of its proper divisors (97326843).

211118853 is a wasteful number, since it uses less digits than its factorization.

211118853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28424.

The product of its digits is 1920, while the sum is 30.

The square root of 211118853 is about 14529.9295593613. The cubic root of 211118853 is about 595.4459411435.

Adding to 211118853 its reverse (358811112), we get a palindrome (569929965).

The spelling of 211118853 in words is "two hundred eleven million, one hundred eighteen thousand, eight hundred fifty-three".