705111611 has 2 divisors, whose sum is σ = 705111612. Its totient is φ = 705111610.

The previous prime is 705111607. The next prime is 705111613. The reversal of 705111611 is 116111507.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 705111611 - 2² = 705111607 is a prime.

Together with 705111613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (705111613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352555805 + 352555806.

It is an arithmetic number, because the mean of its divisors is an integer number (352555806).

Almost surely, 2^705111611 is an apocalyptic number.

705111611 is a deficient number, since it is larger than the sum of its proper divisors (1).

705111611 is an equidigital number, since it uses as much as digits as its factorization.

705111611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 23.

The square root of 705111611 is about 26553.9377682482. The cubic root of 705111611 is about 890.0600098408.

The spelling of 705111611 in words is "seven hundred five million, one hundred eleven thousand, six hundred eleven".