42542422011 has 12 divisors (see below), whose sum is σ = 61470612840. Its totient is φ = 28352177280.

The previous prime is 42542421991. The next prime is 42542422019. The reversal of 42542422011 is 11022424524.

It is a happy number.

42542422011 is a `hidden beast` number, since 4 + 2 + 5 + 424 + 220 + 11 = 666.

It is not a de Polignac number, because 42542422011 - 2¹³ = 42542413819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42542422019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 757846 + ... + 812043.

It is an arithmetic number, because the mean of its divisors is an integer number (5122551070).

Almost surely, 2^42542422011 is an apocalyptic number.

42542422011 is a deficient number, since it is larger than the sum of its proper divisors (18928190829).

42542422011 is a wasteful number, since it uses less digits than its factorization.

42542422011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572906 (or 1572903 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 42542422011 its reverse (11022424524), we get a palindrome (53564846535).

The spelling of 42542422011 in words is "forty-two billion, five hundred forty-two million, four hundred twenty-two thousand, eleven".