41111855639 has 2 divisors, whose sum is σ = 41111855640. Its totient is φ = 41111855638.

The previous prime is 41111855627. The next prime is 41111855641. The reversal of 41111855639 is 93655811114.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41111855639 - 2⁴ = 41111855623 is a prime.

Together with 41111855641, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41111855639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41111855689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20555927819 + 20555927820.

It is an arithmetic number, because the mean of its divisors is an integer number (20555927820).

Almost surely, 2^41111855639 is an apocalyptic number.

41111855639 is a deficient number, since it is larger than the sum of its proper divisors (1).

41111855639 is an equidigital number, since it uses as much as digits as its factorization.

41111855639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 44.

The spelling of 41111855639 in words is "forty-one billion, one hundred eleven million, eight hundred fifty-five thousand, six hundred thirty-nine".