42542126011 has 8 divisors (see below), whose sum is σ = 53039533824. Its totient is φ = 33149708520.

The previous prime is 42542125987. The next prime is 42542126023. The reversal of 42542126011 is 11062124524.

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 42542126011 - 2³³ = 33952191419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42542126611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276247495 + ... + 276247648.

It is an arithmetic number, because the mean of its divisors is an integer number (6629941728).

Almost surely, 2^42542126011 is an apocalyptic number.

42542126011 is a deficient number, since it is larger than the sum of its proper divisors (10497407813).

42542126011 is a wasteful number, since it uses less digits than its factorization.

42542126011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552495161.

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 42542126011 in words is "forty-two billion, five hundred forty-two million, one hundred twenty-six thousand, eleven".