42542306051 has 16 divisors (see below), whose sum is σ = 49115144448. Its totient is φ = 36093516000.

The previous prime is 42542306029. The next prime is 42542306087. The reversal of 42542306051 is 15060324524.

It is a cyclic number.

It is not a de Polignac number, because 42542306051 - 2⁶ = 42542305987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42542305999 and 42542306017.

It is not an unprimeable number, because it can be changed into a prime (42542306351) by changing a digit.

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, 3480116 + ... + 3492318.

It is an arithmetic number, because the mean of its divisors is an integer number (3069696528).

Almost surely, 2^42542306051 is an apocalyptic number.

42542306051 is a deficient number, since it is larger than the sum of its proper divisors (6572838397).

42542306051 is a wasteful number, since it uses less digits than its factorization.

42542306051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17242.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 42542306051 in words is "forty-two billion, five hundred forty-two million, three hundred six thousand, fifty-one".