41243545507 has 2 divisors, whose sum is σ = 41243545508. Its totient is φ = 41243545506.

The previous prime is 41243545501. The next prime is 41243545549. The reversal of 41243545507 is 70554534214.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41243545507 - 2¹⁹ = 41243021219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41243545507.

It is not a weakly prime, because it can be changed into another prime (41243545501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20621772753 + 20621772754.

It is an arithmetic number, because the mean of its divisors is an integer number (20621772754).

Almost surely, 2^41243545507 is an apocalyptic number.

41243545507 is a deficient number, since it is larger than the sum of its proper divisors (1).

41243545507 is an equidigital number, since it uses as much as digits as its factorization.

41243545507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336000, while the sum is 40.

The spelling of 41243545507 in words is "forty-one billion, two hundred forty-three million, five hundred forty-five thousand, five hundred seven".