42505441202303 has 4 divisors (see below), whose sum is σ = 42524141354688. Its totient is φ = 42486741049920.

The previous prime is 42505441202269. The next prime is 42505441202347. The reversal of 42505441202303 is 30320214450524.

It is a happy number.

42505441202303 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 42505441202303 - 2⁶ = 42505441202239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42505441201303) 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, 9350072783 + ... + 9350077328.

It is an arithmetic number, because the mean of its divisors is an integer number (10631035338672).

Almost surely, 2^{42505441202303} is an apocalyptic number.

42505441202303 is a deficient number, since it is larger than the sum of its proper divisors (18700152385).

42505441202303 is a wasteful number, since it uses less digits than its factorization.

42505441202303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18700152384.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 42505441202303 its reverse (30320214450524), we get a palindrome (72825655652827).

The spelling of 42505441202303 in words is "forty-two trillion, five hundred five billion, four hundred forty-one million, two hundred two thousand, three hundred three".