41111241991 has 2 divisors, whose sum is σ = 41111241992. Its totient is φ = 41111241990.

The previous prime is 41111241971. The next prime is 41111242043. The reversal of 41111241991 is 19914211114.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41111241991 - 2³¹ = 38963758343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41111241911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20555620995 + 20555620996.

It is an arithmetic number, because the mean of its divisors is an integer number (20555620996).

Almost surely, 2^41111241991 is an apocalyptic number.

41111241991 is a deficient number, since it is larger than the sum of its proper divisors (1).

41111241991 is an equidigital number, since it uses as much as digits as its factorization.

41111241991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 34.

The spelling of 41111241991 in words is "forty-one billion, one hundred eleven million, two hundred forty-one thousand, nine hundred ninety-one".