80040011 has 2 divisors, whose sum is σ = 80040012. Its totient is φ = 80040010.

The previous prime is 80039987. The next prime is 80040019. The reversal of 80040011 is 11004008.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80040011 is a prime.

It is not a weakly prime, because it can be changed into another prime (80040019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40020005 + 40020006.

It is an arithmetic number, because the mean of its divisors is an integer number (40020006).

Almost surely, 2^80040011 is an apocalyptic number.

80040011 is a deficient number, since it is larger than the sum of its proper divisors (1).

80040011 is an equidigital number, since it uses as much as digits as its factorization.

80040011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 80040011 is about 8946.5083133030. The cubic root of 80040011 is about 430.9587602727.

Adding to 80040011 its reverse (11004008), we get a palindrome (91044019).

The spelling of 80040011 in words is "eighty million, forty thousand, eleven".