42542541513 has 24 divisors (see below), whose sum is σ = 61579003200. Its totient is φ = 28302380640.

The previous prime is 42542541511. The next prime is 42542541523. The reversal of 42542541513 is 31514524524.

42542541513 is a `hidden beast` number, since 4 + 25 + 42 + 541 + 51 + 3 = 666.

It is not a de Polignac number, because 42542541513 - 2¹ = 42542541511 is a prime.

It is a super-3 number, since 3×42542541513³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42542541511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12893938 + ... + 12897236.

It is an arithmetic number, because the mean of its divisors is an integer number (2565791800).

Almost surely, 2^42542541513 is an apocalyptic number.

It is an amenable number.

42542541513 is a deficient number, since it is larger than the sum of its proper divisors (19036461687).

42542541513 is a wasteful number, since it uses less digits than its factorization.

42542541513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5869 (or 5866 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The spelling of 42542541513 in words is "forty-two billion, five hundred forty-two million, five hundred forty-one thousand, five hundred thirteen".