42131543105 has 16 divisors (see below), whose sum is σ = 53538641280. Its totient is φ = 31718545152.

The previous prime is 42131543093. The next prime is 42131543131. The reversal of 42131543105 is 50134513124.

It is a cyclic number.

It is not a de Polignac number, because 42131543105 - 2⁴ = 42131543089 is a prime.

It is a Curzon number.

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, 757436 + ... + 811154.

It is an arithmetic number, because the mean of its divisors is an integer number (3346165080).

Almost surely, 2^42131543105 is an apocalyptic number.

It is an amenable number.

42131543105 is a deficient number, since it is larger than the sum of its proper divisors (11407098175).

42131543105 is a wasteful number, since it uses less digits than its factorization.

42131543105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62968.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 42131543105 in words is "forty-two billion, one hundred thirty-one million, five hundred forty-three thousand, one hundred five".