41101442311661 has 2 divisors, whose sum is σ = 41101442311662. Its totient is φ = 41101442311660.

The previous prime is 41101442311619. The next prime is 41101442311669. The reversal of 41101442311661 is 16611324410114.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30619511580100 + 10481930731561 = 5533490^2 + 3237581^2 .

It is a cyclic number.

It is not a de Polignac number, because 41101442311661 - 2³⁰ = 41100368569837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41101442311669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20550721155830 + 20550721155831.

It is an arithmetic number, because the mean of its divisors is an integer number (20550721155831).

Almost surely, 2^{41101442311661} is an apocalyptic number.

It is an amenable number.

41101442311661 is a deficient number, since it is larger than the sum of its proper divisors (1).

41101442311661 is an equidigital number, since it uses as much as digits as its factorization.

41101442311661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 35.

Adding to 41101442311661 its reverse (16611324410114), we get a palindrome (57712766721775).

The spelling of 41101442311661 in words is "forty-one trillion, one hundred one billion, four hundred forty-two million, three hundred eleven thousand, six hundred sixty-one".