180595380655873 has 2 divisors, whose sum is σ = 180595380655874. Its totient is φ = 180595380655872.

The previous prime is 180595380655849. The next prime is 180595380655913. The reversal of 180595380655873 is 378556083595081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169833884113089 + 10761496542784 = 13032033^2 + 3280472^2 .

It is a cyclic number.

It is not a de Polignac number, because 180595380655873 - 2⁴¹ = 178396357400321 is a prime.

It is a super-2 number, since 2×180595380655873² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 180595380655796 and 180595380655805.

It is not a weakly prime, because it can be changed into another prime (180595380455873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90297690327936 + 90297690327937.

It is an arithmetic number, because the mean of its divisors is an integer number (90297690327937).

Almost surely, 2^{180595380655873} is an apocalyptic number.

It is an amenable number.

180595380655873 is a deficient number, since it is larger than the sum of its proper divisors (1).

180595380655873 is an equidigital number, since it uses as much as digits as its factorization.

180595380655873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640000, while the sum is 73.

The spelling of 180595380655873 in words is "one hundred eighty trillion, five hundred ninety-five billion, three hundred eighty million, six hundred fifty-five thousand, eight hundred seventy-three".