211405353202063 has 2 divisors, whose sum is σ = 211405353202064. Its totient is φ = 211405353202062.

The previous prime is 211405353201979. The next prime is 211405353202091. The reversal of 211405353202063 is 360202353504112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211405353202063 is a prime.

It is a super-3 number, since 3×211405353202063³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211405353802063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105702676601031 + 105702676601032.

It is an arithmetic number, because the mean of its divisors is an integer number (105702676601032).

Almost surely, 2^{211405353202063} is an apocalyptic number.

211405353202063 is a deficient number, since it is larger than the sum of its proper divisors (1).

211405353202063 is an equidigital number, since it uses as much as digits as its factorization.

211405353202063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 211405353202063 in words is "two hundred eleven trillion, four hundred five billion, three hundred fifty-three million, two hundred two thousand, sixty-three".