2116710511711 has 4 divisors (see below), whose sum is σ = 2145706546192. Its totient is φ = 2087714477232.

The previous prime is 2116710511693. The next prime is 2116710511723. The reversal of 2116710511711 is 1171150176112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2116710511711 - 2⁷ = 2116710511583 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 (2116780511711) 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, 14498017131 + ... + 14498017276.

It is an arithmetic number, because the mean of its divisors is an integer number (536426636548).

Almost surely, 2^{2116710511711} is an apocalyptic number.

2116710511711 is a deficient number, since it is larger than the sum of its proper divisors (28996034481).

2116710511711 is an equidigital number, since it uses as much as digits as its factorization.

2116710511711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28996034480.

The product of its (nonzero) digits is 2940, while the sum is 34.

Adding to 2116710511711 its reverse (1171150176112), we get a palindrome (3287860687823).

The spelling of 2116710511711 in words is "two trillion, one hundred sixteen billion, seven hundred ten million, five hundred eleven thousand, seven hundred eleven".