268755511 has 2 divisors, whose sum is σ = 268755512. Its totient is φ = 268755510.

The previous prime is 268755427. The next prime is 268755611. The reversal of 268755511 is 115557862.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268755511 - 2⁹ = 268754999 is a prime.

It is a super-2 number, since 2×268755511² = 144459049385742242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268755611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134377755 + 134377756.

It is an arithmetic number, because the mean of its divisors is an integer number (134377756).

Almost surely, 2^268755511 is an apocalyptic number.

268755511 is a deficient number, since it is larger than the sum of its proper divisors (1).

268755511 is an equidigital number, since it uses as much as digits as its factorization.

268755511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84000, while the sum is 40.

The square root of 268755511 is about 16393.7643938175. The cubic root of 268755511 is about 645.3358513724.

The spelling of 268755511 in words is "two hundred sixty-eight million, seven hundred fifty-five thousand, five hundred eleven".