8081037081 has 24 divisors (see below), whose sum is σ = 12643195656. Its totient is φ = 4944188160.

The previous prime is 8081037071. The next prime is 8081037103. The reversal of 8081037081 is 1807301808.

It can be written as a sum of positive squares in 4 ways, for example, as 3634281225 + 4446755856 = 60285^2 + 66684^2 .

It is not a de Polignac number, because 8081037081 - 2¹¹ = 8081035033 is a prime.

It is a super-2 number, since 2×8081037081² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8081037061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179380 + ... + 219861.

It is an arithmetic number, because the mean of its divisors is an integer number (526799819).

Almost surely, 2^8081037081 is an apocalyptic number.

It is an amenable number.

8081037081 is a deficient number, since it is larger than the sum of its proper divisors (4562158575).

8081037081 is a wasteful number, since it uses less digits than its factorization.

8081037081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399433 (or 399430 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 8081037081 is about 89894.5887192327. The cubic root of 8081037081 is about 2006.7304154309.

Adding to 8081037081 its reverse (1807301808), we get a palindrome (9888338889).

The spelling of 8081037081 in words is "eight billion, eighty-one million, thirty-seven thousand, eighty-one".