42506556241163 has 4 divisors (see below), whose sum is σ = 48578921418480. Its totient is φ = 36434191063848.

The previous prime is 42506556241151. The next prime is 42506556241213. The reversal of 42506556241163 is 36114265560524.

42506556241163 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.

It is a cyclic number.

It is not a de Polignac number, because 42506556241163 - 2¹⁰ = 42506556240139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42506556249163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3036182588648 + ... + 3036182588661.

It is an arithmetic number, because the mean of its divisors is an integer number (12144730354620).

Almost surely, 2^{42506556241163} is an apocalyptic number.

42506556241163 is a deficient number, since it is larger than the sum of its proper divisors (6072365177317).

42506556241163 is an equidigital number, since it uses as much as digits as its factorization.

42506556241163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6072365177316.

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 42506556241163 in words is "forty-two trillion, five hundred six billion, five hundred fifty-six million, two hundred forty-one thousand, one hundred sixty-three".