80425055809 has 32 divisors (see below), whose sum is σ = 97567948800. Its totient is φ = 64826205120.

The previous prime is 80425055797. The next prime is 80425055813. The reversal of 80425055809 is 90855052408.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80425055809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80425055819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6730362 + ... + 6742300.

It is an arithmetic number, because the mean of its divisors is an integer number (3048998400).

Almost surely, 2^80425055809 is an apocalyptic number.

It is an amenable number.

80425055809 is a deficient number, since it is larger than the sum of its proper divisors (17142892991).

80425055809 is a wasteful number, since it uses less digits than its factorization.

80425055809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12853.

The product of its (nonzero) digits is 576000, while the sum is 46.

The spelling of 80425055809 in words is "eighty billion, four hundred twenty-five million, fifty-five thousand, eight hundred nine".