2111701705711 has 8 divisors (see below), whose sum is σ = 2279205205200. Its totient is φ = 1944921764352.

The previous prime is 2111701705661. The next prime is 2111701705739. The reversal of 2111701705711 is 1175071071112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2111701705711 - 2⁷ = 2111701705583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111701702711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180883465 + ... + 180895138.

It is an arithmetic number, because the mean of its divisors is an integer number (284900650650).

Almost surely, 2^{2111701705711} is an apocalyptic number.

2111701705711 is a deficient number, since it is larger than the sum of its proper divisors (167503499489).

2111701705711 is a wasteful number, since it uses less digits than its factorization.

2111701705711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361779065.

The product of its (nonzero) digits is 3430, while the sum is 34.

Adding to 2111701705711 its reverse (1175071071112), we get a palindrome (3286772776823).

The spelling of 2111701705711 in words is "two trillion, one hundred eleven billion, seven hundred one million, seven hundred five thousand, seven hundred eleven".