185079305302117 has 2 divisors, whose sum is σ = 185079305302118. Its totient is φ = 185079305302116.

The previous prime is 185079305302097. The next prime is 185079305302189. The reversal of 185079305302117 is 711203503970581.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105575440050081 + 79503865252036 = 10274991^2 + 8916494^2 .

It is an emirp because it is prime and its reverse (711203503970581) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 185079305302117 - 2¹¹ = 185079305300069 is a prime.

It is a super-2 number, since 2×185079305302117² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (185079305300117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92539652651058 + 92539652651059.

It is an arithmetic number, because the mean of its divisors is an integer number (92539652651059).

Almost surely, 2^{185079305302117} is an apocalyptic number.

It is an amenable number.

185079305302117 is a deficient number, since it is larger than the sum of its proper divisors (1).

185079305302117 is an equidigital number, since it uses as much as digits as its factorization.

185079305302117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1587600, while the sum is 52.

The spelling of 185079305302117 in words is "one hundred eighty-five trillion, seventy-nine billion, three hundred five million, three hundred two thousand, one hundred seventeen".