211921675583 has 2 divisors, whose sum is σ = 211921675584. Its totient is φ = 211921675582.

The previous prime is 211921675499. The next prime is 211921675621. The reversal of 211921675583 is 385576129112.

211921675583 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211921675583 - 2²⁴ = 211904898367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211921675183) by changing a digit.

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 as a sum of consecutive naturals, namely, 105960837791 + 105960837792.

It is an arithmetic number, because the mean of its divisors is an integer number (105960837792).

Almost surely, 2^211921675583 is an apocalyptic number.

211921675583 is a deficient number, since it is larger than the sum of its proper divisors (1).

211921675583 is an equidigital number, since it uses as much as digits as its factorization.

211921675583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 50.

The spelling of 211921675583 in words is "two hundred eleven billion, nine hundred twenty-one million, six hundred seventy-five thousand, five hundred eighty-three".