41811971771 has 2 divisors, whose sum is σ = 41811971772. Its totient is φ = 41811971770.

The previous prime is 41811971723. The next prime is 41811971809. The reversal of 41811971771 is 17717911814.

It is a happy number.

41811971771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41811971771 - 2¹⁴ = 41811955387 is a prime.

It is not a weakly prime, because it can be changed into another prime (41811971701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20905985885 + 20905985886.

It is an arithmetic number, because the mean of its divisors is an integer number (20905985886).

Almost surely, 2^41811971771 is an apocalyptic number.

41811971771 is a deficient number, since it is larger than the sum of its proper divisors (1).

41811971771 is an equidigital number, since it uses as much as digits as its factorization.

41811971771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98784, while the sum is 47.

The spelling of 41811971771 in words is "forty-one billion, eight hundred eleven million, nine hundred seventy-one thousand, seven hundred seventy-one".