268120711 has 2 divisors, whose sum is σ = 268120712. Its totient is φ = 268120710.

The previous prime is 268120691. The next prime is 268120739. The reversal of 268120711 is 117021862.

It is an a-pointer prime, because the next prime (268120739) can be obtained adding 268120711 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268120711 - 2¹¹ = 268118663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268120711.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268120511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134060355 + 134060356.

It is an arithmetic number, because the mean of its divisors is an integer number (134060356).

Almost surely, 2^268120711 is an apocalyptic number.

268120711 is a deficient number, since it is larger than the sum of its proper divisors (1).

268120711 is an equidigital number, since it uses as much as digits as its factorization.

268120711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 268120711 is about 16374.3919276412. The cubic root of 268120711 is about 644.8273567944.

The spelling of 268120711 in words is "two hundred sixty-eight million, one hundred twenty thousand, seven hundred eleven".