41061681361 has 2 divisors, whose sum is σ = 41061681362. Its totient is φ = 41061681360.

The previous prime is 41061681313. The next prime is 41061681371. The reversal of 41061681361 is 16318616014.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37542937600 + 3518743761 = 193760^2 + 59319^2 .

It is a cyclic number.

It is not a de Polignac number, because 41061681361 - 2¹⁹ = 41061157073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41061681361.

It is not a weakly prime, because it can be changed into another prime (41061681371) 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, 20530840680 + 20530840681.

It is an arithmetic number, because the mean of its divisors is an integer number (20530840681).

Almost surely, 2^41061681361 is an apocalyptic number.

It is an amenable number.

41061681361 is a deficient number, since it is larger than the sum of its proper divisors (1).

41061681361 is an equidigital number, since it uses as much as digits as its factorization.

41061681361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 41061681361 in words is "forty-one billion, sixty-one million, six hundred eighty-one thousand, three hundred sixty-one".