80559531853 has 2 divisors, whose sum is σ = 80559531854. Its totient is φ = 80559531852.

The previous prime is 80559531817. The next prime is 80559531907. The reversal of 80559531853 is 35813595508.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58016911689 + 22542620164 = 240867^2 + 150142^2 .

It is a cyclic number.

It is not a de Polignac number, because 80559531853 - 2²⁹ = 80022660941 is a prime.

It is a super-2 number, since 2×80559531853² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80559531853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80559532853) 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, 40279765926 + 40279765927.

It is an arithmetic number, because the mean of its divisors is an integer number (40279765927).

Almost surely, 2^80559531853 is an apocalyptic number.

It is an amenable number.

80559531853 is a deficient number, since it is larger than the sum of its proper divisors (1).

80559531853 is an equidigital number, since it uses as much as digits as its factorization.

80559531853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240000, while the sum is 52.

The spelling of 80559531853 in words is "eighty billion, five hundred fifty-nine million, five hundred thirty-one thousand, eight hundred fifty-three".