705951091211 has 4 divisors (see below), whose sum is σ = 706922138832. Its totient is φ = 704980043592.

The previous prime is 705951091163. The next prime is 705951091213. The reversal of 705951091211 is 112190159507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112190159507 = 5987 ⋅18738961.

It is a cyclic number.

It is not a de Polignac number, because 705951091211 - 2⁶ = 705951091147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (705951091213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485522720 + ... + 485524173.

It is an arithmetic number, because the mean of its divisors is an integer number (176730534708).

Almost surely, 2^705951091211 is an apocalyptic number.

705951091211 is a deficient number, since it is larger than the sum of its proper divisors (971047621).

705951091211 is an equidigital number, since it uses as much as digits as its factorization.

705951091211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971047620.

The product of its (nonzero) digits is 28350, while the sum is 41.

The spelling of 705951091211 in words is "seven hundred five billion, nine hundred fifty-one million, ninety-one thousand, two hundred eleven".