41243545505 has 4 divisors (see below), whose sum is σ = 49492254612. Its totient is φ = 32994836400.

The previous prime is 41243545501. The next prime is 41243545507. The reversal of 41243545505 is 50554534214.

41243545505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50554534214 = 2 ⋅25277267107.

It can be written as a sum of positive squares in 2 ways, for example, as 32442854161 + 8800691344 = 180119^2 + 93812^2 .

It is not a de Polignac number, because 41243545505 - 2² = 41243545501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41243545501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4124354546 + ... + 4124354555.

It is an arithmetic number, because the mean of its divisors is an integer number (12373063653).

Almost surely, 2^41243545505 is an apocalyptic number.

It is an amenable number.

41243545505 is a deficient number, since it is larger than the sum of its proper divisors (8248709107).

41243545505 is an equidigital number, since it uses as much as digits as its factorization.

41243545505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8248709106.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 41243545505 in words is "forty-one billion, two hundred forty-three million, five hundred forty-five thousand, five hundred five".