211155033163 has 2 divisors, whose sum is σ = 211155033164. Its totient is φ = 211155033162.

The previous prime is 211155033139. The next prime is 211155033197. The reversal of 211155033163 is 361330551112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211155033163 is a prime.

It is not a weakly prime, because it can be changed into another prime (211155033863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105577516581 + 105577516582.

It is an arithmetic number, because the mean of its divisors is an integer number (105577516582).

Almost surely, 2^211155033163 is an apocalyptic number.

211155033163 is a deficient number, since it is larger than the sum of its proper divisors (1).

211155033163 is an equidigital number, since it uses as much as digits as its factorization.

211155033163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 31.

Adding to 211155033163 its reverse (361330551112), we get a palindrome (572485584275).

The spelling of 211155033163 in words is "two hundred eleven billion, one hundred fifty-five million, thirty-three thousand, one hundred sixty-three".