211063075009 has 2 divisors, whose sum is σ = 211063075010. Its totient is φ = 211063075008.

The previous prime is 211063075007. The next prime is 211063075031. The reversal of 211063075009 is 900570360112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189962607409 + 21100467600 = 435847^2 + 145260^2 .

It is a cyclic number.

It is not a de Polignac number, because 211063075009 - 2¹ = 211063075007 is a prime.

Together with 211063075007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (211063075007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105531537504 + 105531537505.

It is an arithmetic number, because the mean of its divisors is an integer number (105531537505).

Almost surely, 2^211063075009 is an apocalyptic number.

It is an amenable number.

211063075009 is a deficient number, since it is larger than the sum of its proper divisors (1).

211063075009 is an equidigital number, since it uses as much as digits as its factorization.

211063075009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 34.

The spelling of 211063075009 in words is "two hundred eleven billion, sixty-three million, seventy-five thousand, nine".