80502131071 has 2 divisors, whose sum is σ = 80502131072. Its totient is φ = 80502131070.

The previous prime is 80502131033. The next prime is 80502131081. The reversal of 80502131071 is 17013120508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80502131071 - 2¹¹ = 80502129023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80502131081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40251065535 + 40251065536.

It is an arithmetic number, because the mean of its divisors is an integer number (40251065536).

Almost surely, 2^80502131071 is an apocalyptic number.

80502131071 is a deficient number, since it is larger than the sum of its proper divisors (1).

80502131071 is an equidigital number, since it uses as much as digits as its factorization.

80502131071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 28.

Adding to 80502131071 its reverse (17013120508), we get a palindrome (97515251579).

The spelling of 80502131071 in words is "eighty billion, five hundred two million, one hundred thirty-one thousand, seventy-one".