8056912081 has 2 divisors, whose sum is σ = 8056912082. Its totient is φ = 8056912080.

The previous prime is 8056912013. The next prime is 8056912111. The reversal of 8056912081 is 1802196508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5291835025 + 2765077056 = 72745^2 + 52584^2 .

It is a cyclic number.

It is not a de Polignac number, because 8056912081 - 2¹¹ = 8056910033 is a prime.

It is a super-2 number, since 2×8056912081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8056915081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4028456040 + 4028456041.

It is an arithmetic number, because the mean of its divisors is an integer number (4028456041).

Almost surely, 2^8056912081 is an apocalyptic number.

It is an amenable number.

8056912081 is a deficient number, since it is larger than the sum of its proper divisors (1).

8056912081 is an equidigital number, since it uses as much as digits as its factorization.

8056912081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 8056912081 is about 89760.3034809932. The cubic root of 8056912081 is about 2004.7314711800.

The spelling of 8056912081 in words is "eight billion, fifty-six million, nine hundred twelve thousand, eighty-one".