8111055805 has 8 divisors (see below), whose sum is σ = 9755852544. Its totient is φ = 6473787600.

The previous prime is 8111055781. The next prime is 8111055809. The reversal of 8111055805 is 5085501118.

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

It is not a de Polignac number, because 8111055805 - 2¹¹ = 8111053757 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 (8111055809) 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, 1879761 + ... + 1884070.

It is an arithmetic number, because the mean of its divisors is an integer number (1219481568).

Almost surely, 2^8111055805 is an apocalyptic number.

It is an amenable number.

8111055805 is a deficient number, since it is larger than the sum of its proper divisors (1644796739).

8111055805 is a wasteful number, since it uses less digits than its factorization.

8111055805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3764267.

The product of its (nonzero) digits is 8000, while the sum is 34.

The square root of 8111055805 is about 90061.4001945340. The cubic root of 8111055805 is about 2009.2121533835.

The spelling of 8111055805 in words is "eight billion, one hundred eleven million, fifty-five thousand, eight hundred five".