268528111 has 2 divisors, whose sum is σ = 268528112. Its totient is φ = 268528110.

The previous prime is 268528109. The next prime is 268528133. The reversal of 268528111 is 111825862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268528111 - 2¹ = 268528109 is a prime.

Together with 268528109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268528171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134264055 + 134264056.

It is an arithmetic number, because the mean of its divisors is an integer number (134264056).

Almost surely, 2^268528111 is an apocalyptic number.

268528111 is a deficient number, since it is larger than the sum of its proper divisors (1).

268528111 is an equidigital number, since it uses as much as digits as its factorization.

268528111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 34.

The square root of 268528111 is about 16386.8273622443. The cubic root of 268528111 is about 645.1537890203.

The spelling of 268528111 in words is "two hundred sixty-eight million, five hundred twenty-eight thousand, one hundred eleven".