80542428611 has 2 divisors, whose sum is σ = 80542428612. Its totient is φ = 80542428610.

The previous prime is 80542428511. The next prime is 80542428641. The reversal of 80542428611 is 11682424508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80542428611 - 2¹⁰ = 80542427587 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (80542428641) 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 as a sum of consecutive naturals, namely, 40271214305 + 40271214306.

It is an arithmetic number, because the mean of its divisors is an integer number (40271214306).

Almost surely, 2^80542428611 is an apocalyptic number.

80542428611 is a deficient number, since it is larger than the sum of its proper divisors (1).

80542428611 is an equidigital number, since it uses as much as digits as its factorization.

80542428611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122880, while the sum is 41.

The spelling of 80542428611 in words is "eighty billion, five hundred forty-two million, four hundred twenty-eight thousand, six hundred eleven".