268244111 has 2 divisors, whose sum is σ = 268244112. Its totient is φ = 268244110.

The previous prime is 268244107. The next prime is 268244159. The reversal of 268244111 is 111442862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268244111 - 2² = 268244107 is a prime.

It is a Chen prime.

It is equal to p_14620961 and since 268244111 and 14620961 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268244611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134122055 + 134122056.

It is an arithmetic number, because the mean of its divisors is an integer number (134122056).

Almost surely, 2^268244111 is an apocalyptic number.

268244111 is a deficient number, since it is larger than the sum of its proper divisors (1).

268244111 is an equidigital number, since it uses as much as digits as its factorization.

268244111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 29.

The square root of 268244111 is about 16378.1595730412. The cubic root of 268244111 is about 644.9262668354.

Adding to 268244111 its reverse (111442862), we get a palindrome (379686973).

The spelling of 268244111 in words is "two hundred sixty-eight million, two hundred forty-four thousand, one hundred eleven".