80800804501 has 2 divisors, whose sum is σ = 80800804502. Its totient is φ = 80800804500.

The previous prime is 80800804477. The next prime is 80800804541. The reversal of 80800804501 is 10540800808.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45990947025 + 34809857476 = 214455^2 + 186574^2 .

It is a cyclic number.

It is not a de Polignac number, because 80800804501 - 2³¹ = 78653320853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80800804541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40400402250 + 40400402251.

It is an arithmetic number, because the mean of its divisors is an integer number (40400402251).

Almost surely, 2^80800804501 is an apocalyptic number.

It is an amenable number.

80800804501 is a deficient number, since it is larger than the sum of its proper divisors (1).

80800804501 is an equidigital number, since it uses as much as digits as its factorization.

80800804501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10240, while the sum is 34.

The spelling of 80800804501 in words is "eighty billion, eight hundred million, eight hundred four thousand, five hundred one".