41565406545011 has 2 divisors, whose sum is σ = 41565406545012. Its totient is φ = 41565406545010.

The previous prime is 41565406544989. The next prime is 41565406545041. The reversal of 41565406545011 is 11054560456514.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41565406545011 - 2⁶ = 41565406544947 is a prime.

It is not a weakly prime, because it can be changed into another prime (41565406545041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20782703272505 + 20782703272506.

It is an arithmetic number, because the mean of its divisors is an integer number (20782703272506).

Almost surely, 2^{41565406545011} is an apocalyptic number.

41565406545011 is a deficient number, since it is larger than the sum of its proper divisors (1).

41565406545011 is an equidigital number, since it uses as much as digits as its factorization.

41565406545011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440000, while the sum is 47.

The spelling of 41565406545011 in words is "forty-one trillion, five hundred sixty-five billion, four hundred six million, five hundred forty-five thousand, eleven".