42875656642005 has 128 divisors (see below), whose sum is σ = 80232488202240. Its totient is φ = 19339566428160.

The previous prime is 42875656641997. The next prime is 42875656642073. The reversal of 42875656642005 is 50024665657824.

It is not a de Polignac number, because 42875656642005 - 2³ = 42875656641997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42875656642005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 376676541 + ... + 376790349.

It is an arithmetic number, because the mean of its divisors is an integer number (626816314080).

Almost surely, 2^{42875656642005} is an apocalyptic number.

It is an amenable number.

42875656642005 is a deficient number, since it is larger than the sum of its proper divisors (37356831560235).

42875656642005 is a wasteful number, since it uses less digits than its factorization.

42875656642005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116571.

The product of its (nonzero) digits is 96768000, while the sum is 60.

The spelling of 42875656642005 in words is "forty-two trillion, eight hundred seventy-five billion, six hundred fifty-six million, six hundred forty-two thousand, five".