41065306181 has 2 divisors, whose sum is σ = 41065306182. Its totient is φ = 41065306180.

The previous prime is 41065306159. The next prime is 41065306211. The reversal of 41065306181 is 18160356014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36368397025 + 4696909156 = 190705^2 + 68534^2 .

It is a cyclic number.

It is not a de Polignac number, because 41065306181 - 2¹⁸ = 41065044037 is a prime.

It is a super-2 number, since 2×41065306181² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41065302181) 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, 20532653090 + 20532653091.

It is an arithmetic number, because the mean of its divisors is an integer number (20532653091).

Almost surely, 2^41065306181 is an apocalyptic number.

It is an amenable number.

41065306181 is a deficient number, since it is larger than the sum of its proper divisors (1).

41065306181 is an equidigital number, since it uses as much as digits as its factorization.

41065306181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 41065306181 in words is "forty-one billion, sixty-five million, three hundred six thousand, one hundred eighty-one".