211300025269 has 2 divisors, whose sum is σ = 211300025270. Its totient is φ = 211300025268.

The previous prime is 211300025239. The next prime is 211300025281. The reversal of 211300025269 is 962520003112.

211300025269 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 can be written as a sum of positive squares in only one way, i.e., 136079832100 + 75220193169 = 368890^2 + 274263^2 .

It is a cyclic number.

It is not a de Polignac number, because 211300025269 - 2²¹ = 211297928117 is a prime.

It is a super-2 number, since 2×211300025269² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211300025269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211300025239) 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, 105650012634 + 105650012635.

It is an arithmetic number, because the mean of its divisors is an integer number (105650012635).

Almost surely, 2^211300025269 is an apocalyptic number.

It is an amenable number.

211300025269 is a deficient number, since it is larger than the sum of its proper divisors (1).

211300025269 is an equidigital number, since it uses as much as digits as its factorization.

211300025269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 211300025269 in words is "two hundred eleven billion, three hundred million, twenty-five thousand, two hundred sixty-nine".