42101444205205 has 24 divisors (see below), whose sum is σ = 64112922830880. Its totient is φ = 26245056126240.

The previous prime is 42101444205077. The next prime is 42101444205283. The reversal of 42101444205205 is 50250244410124.

42101444205205 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42101444205205 - 2⁷ = 42101444205077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7811025915 + ... + 7811031304.

It is an arithmetic number, because the mean of its divisors is an integer number (2671371784620).

Almost surely, 2^{42101444205205} is an apocalyptic number.

It is an amenable number.

42101444205205 is a deficient number, since it is larger than the sum of its proper divisors (22011478625675).

42101444205205 is a wasteful number, since it uses less digits than its factorization.

42101444205205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15622057249 (or 15622057242 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 42101444205205 its reverse (50250244410124), we get a palindrome (92351688615329).

The spelling of 42101444205205 in words is "forty-two trillion, one hundred one billion, four hundred forty-four million, two hundred five thousand, two hundred five".