8054721811 has 4 divisors (see below), whose sum is σ = 8095198000. Its totient is φ = 8014245624.

The previous prime is 8054721791. The next prime is 8054721823. The reversal of 8054721811 is 1181274508.

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 8054721811 - 2⁹ = 8054721299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8054751811) 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, 20237796 + ... + 20238193.

It is an arithmetic number, because the mean of its divisors is an integer number (2023799500).

Almost surely, 2^8054721811 is an apocalyptic number.

8054721811 is a deficient number, since it is larger than the sum of its proper divisors (40476189).

8054721811 is a wasteful number, since it uses less digits than its factorization.

8054721811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40476188.

The product of its (nonzero) digits is 17920, while the sum is 37.

The square root of 8054721811 is about 89748.1019910728. The cubic root of 8054721811 is about 2004.5497927610.

The spelling of 8054721811 in words is "eight billion, fifty-four million, seven hundred twenty-one thousand, eight hundred eleven".