42542613334601 has 4 divisors (see below), whose sum is σ = 42553924854804. Its totient is φ = 42531301814400.

The previous prime is 42542613334577. The next prime is 42542613334633. The reversal of 42542613334601 is 10643331624524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16099353760000 + 26443259574601 = 4012400^2 + 5142301^2 .

It is a cyclic number.

It is not a de Polignac number, because 42542613334601 - 2⁶ = 42542613334537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42542613334691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5655754460 + ... + 5655761981.

It is an arithmetic number, because the mean of its divisors is an integer number (10638481213701).

Almost surely, 2^{42542613334601} is an apocalyptic number.

It is an amenable number.

42542613334601 is a deficient number, since it is larger than the sum of its proper divisors (11311520203).

42542613334601 is a wasteful number, since it uses less digits than its factorization.

42542613334601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11311520202.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 42542613334601 in words is "forty-two trillion, five hundred forty-two billion, six hundred thirteen million, three hundred thirty-four thousand, six hundred one".