8055666111 has 4 divisors (see below), whose sum is σ = 10740888152. Its totient is φ = 5370444072.

The previous prime is 8055666043. The next prime is 8055666127. The reversal of 8055666111 is 1116665508.

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

It is not a de Polignac number, because 8055666111 - 2⁹ = 8055665599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8055666111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8055666181) 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, 1342611016 + ... + 1342611021.

It is an arithmetic number, because the mean of its divisors is an integer number (2685222038).

Almost surely, 2^8055666111 is an apocalyptic number.

8055666111 is a deficient number, since it is larger than the sum of its proper divisors (2685222041).

8055666111 is a wasteful number, since it uses less digits than its factorization.

8055666111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685222040.

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 8055666111 is about 89753.3626723813. The cubic root of 8055666111 is about 2004.6281245539.

The spelling of 8055666111 in words is "eight billion, fifty-five million, six hundred sixty-six thousand, one hundred eleven".