211453360841 has 2 divisors, whose sum is σ = 211453360842. Its totient is φ = 211453360840.

The previous prime is 211453360823. The next prime is 211453360843. The reversal of 211453360841 is 148063354112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118867042441 + 92586318400 = 344771^2 + 304280^2 .

It is a cyclic number.

It is not a de Polignac number, because 211453360841 - 2⁶ = 211453360777 is a prime.

Together with 211453360843, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 211453360795 and 211453360804.

It is not a weakly prime, because it can be changed into another prime (211453360843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105726680420 + 105726680421.

It is an arithmetic number, because the mean of its divisors is an integer number (105726680421).

Almost surely, 2^211453360841 is an apocalyptic number.

It is an amenable number.

211453360841 is a deficient number, since it is larger than the sum of its proper divisors (1).

211453360841 is an equidigital number, since it uses as much as digits as its factorization.

211453360841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 211453360841 in words is "two hundred eleven billion, four hundred fifty-three million, three hundred sixty thousand, eight hundred forty-one".