2005706662211 has 4 divisors (see below), whose sum is σ = 2292236185392. Its totient is φ = 1719177139032.

The previous prime is 2005706662189. The next prime is 2005706662231. The reversal of 2005706662211 is 1122666075002.

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 2005706662211 - 2⁶ = 2005706662147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2005706662231) 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, 143264761580 + ... + 143264761593.

It is an arithmetic number, because the mean of its divisors is an integer number (573059046348).

Almost surely, 2^{2005706662211} is an apocalyptic number.

2005706662211 is a deficient number, since it is larger than the sum of its proper divisors (286529523181).

2005706662211 is an equidigital number, since it uses as much as digits as its factorization.

2005706662211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286529523180.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 2005706662211 in words is "two trillion, five billion, seven hundred six million, six hundred sixty-two thousand, two hundred eleven".