268097111 has 2 divisors, whose sum is σ = 268097112. Its totient is φ = 268097110.

The previous prime is 268097057. The next prime is 268097117. The reversal of 268097111 is 111790862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268097111 - 2²⁶ = 200988247 is a prime.

It is a super-3 number, since 3×268097111³ (a number of 26 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268097117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134048555 + 134048556.

It is an arithmetic number, because the mean of its divisors is an integer number (134048556).

Almost surely, 2^268097111 is an apocalyptic number.

268097111 is a deficient number, since it is larger than the sum of its proper divisors (1).

268097111 is an equidigital number, since it uses as much as digits as its factorization.

268097111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 35.

The square root of 268097111 is about 16373.6712743355. The cubic root of 268097111 is about 644.8084369926.

The spelling of 268097111 in words is "two hundred sixty-eight million, ninety-seven thousand, one hundred eleven".