42043213105 has 16 divisors (see below), whose sum is σ = 50953578624. Its totient is φ = 33300241920.

The previous prime is 42043213099. The next prime is 42043213187. The reversal of 42043213105 is 50131234024.

It is not a de Polignac number, because 42043213105 - 2⁹ = 42043212593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42043213105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3336577 + ... + 3349153.

It is an arithmetic number, because the mean of its divisors is an integer number (3184598664).

Almost surely, 2^42043213105 is an apocalyptic number.

It is an amenable number.

42043213105 is a deficient number, since it is larger than the sum of its proper divisors (8910365519).

42043213105 is a wasteful number, since it uses less digits than its factorization.

42043213105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19176.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 42043213105 its reverse (50131234024), we get a palindrome (92174447129).

The spelling of 42043213105 in words is "forty-two billion, forty-three million, two hundred thirteen thousand, one hundred five".