42542542555 has 8 divisors (see below), whose sum is σ = 51273982800. Its totient is φ = 33885412896.

The previous prime is 42542542547. The next prime is 42542542597. The reversal of 42542542555 is 55524524524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42542542555 - 2³ = 42542542547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18576385 + ... + 18578674.

It is an arithmetic number, because the mean of its divisors is an integer number (6409247850).

Almost surely, 2^42542542555 is an apocalyptic number.

42542542555 is a deficient number, since it is larger than the sum of its proper divisors (8731440245).

42542542555 is a wasteful number, since it uses less digits than its factorization.

42542542555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37155293.

The product of its digits is 1600000, while the sum is 43.

The spelling of 42542542555 in words is "forty-two billion, five hundred forty-two million, five hundred forty-two thousand, five hundred fifty-five".