211543859050 has 12 divisors (see below), whose sum is σ = 393471577926. Its totient is φ = 84617543600.

The previous prime is 211543859039. The next prime is 211543859081. The reversal of 211543859050 is 50958345112.

It can be written as a sum of positive squares in 3 ways, for example, as 154942215129 + 56601643921 = 393627^2 + 237911^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211543858988 and 211543859006.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2115438541 + ... + 2115438640.

Almost surely, 2^211543859050 is an apocalyptic number.

211543859050 is a deficient number, since it is larger than the sum of its proper divisors (181927718876).

211543859050 is a wasteful number, since it uses less digits than its factorization.

211543859050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4230877193 (or 4230877188 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 43.

The spelling of 211543859050 in words is "two hundred eleven billion, five hundred forty-three million, eight hundred fifty-nine thousand, fifty".