41859166121 has 2 divisors, whose sum is σ = 41859166122. Its totient is φ = 41859166120.

The previous prime is 41859166061. The next prime is 41859166199. The reversal of 41859166121 is 12166195814.

41859166121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31619952400 + 10239213721 = 177820^2 + 101189^2 .

It is a cyclic number.

It is not a de Polignac number, because 41859166121 - 2¹⁴ = 41859149737 is a prime.

It is not a weakly prime, because it can be changed into another prime (41859166621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20929583060 + 20929583061.

It is an arithmetic number, because the mean of its divisors is an integer number (20929583061).

Almost surely, 2^41859166121 is an apocalyptic number.

It is an amenable number.

41859166121 is a deficient number, since it is larger than the sum of its proper divisors (1).

41859166121 is an equidigital number, since it uses as much as digits as its factorization.

41859166121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 44.

The spelling of 41859166121 in words is "forty-one billion, eight hundred fifty-nine million, one hundred sixty-six thousand, one hundred twenty-one".