211828896050 has 18 divisors (see below), whose sum is σ = 394007800023. Its totient is φ = 84730256640.

The previous prime is 211828896043. The next prime is 211828896067. The reversal of 211828896050 is 50698828112.

211828896050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 203082718609 + 8746177441 = 450647^2 + 93521^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=325445.

It is a Harshad number since it is a multiple of its sum of digits (50).

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 211828896050.

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 8 ways as a sum of consecutive naturals, for example, 3221906 + ... + 3286994.

Almost surely, 2^211828896050 is an apocalyptic number.

211828896050 is a deficient number, since it is larger than the sum of its proper divisors (182178903973).

211828896050 is an frugal number, since it uses more digits than its factorization.

211828896050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130190 (or 65096 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 50.

Multiplying 211828896050 by its sum of digits (50), we get a square (10591444802500 = 3254450²).

211828896050 divided by its sum of digits (50) gives a square (4236577921 = 65089²).

The spelling of 211828896050 in words is "two hundred eleven billion, eight hundred twenty-eight million, eight hundred ninety-six thousand, fifty".