42542310135113 has 2 divisors, whose sum is σ = 42542310135114. Its totient is φ = 42542310135112.

The previous prime is 42542310135097. The next prime is 42542310135119. The reversal of 42542310135113 is 31153101324524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42541010388409 + 1299746704 = 6522347^2 + 36052^2 .

It is a cyclic number.

It is not a de Polignac number, because 42542310135113 - 2⁴ = 42542310135097 is a prime.

It is not a weakly prime, because it can be changed into another prime (42542310135119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21271155067556 + 21271155067557.

It is an arithmetic number, because the mean of its divisors is an integer number (21271155067557).

Almost surely, 2^{42542310135113} is an apocalyptic number.

It is an amenable number.

42542310135113 is a deficient number, since it is larger than the sum of its proper divisors (1).

42542310135113 is an equidigital number, since it uses as much as digits as its factorization.

42542310135113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 42542310135113 its reverse (31153101324524), we get a palindrome (73695411459637).

The spelling of 42542310135113 in words is "forty-two trillion, five hundred forty-two billion, three hundred ten million, one hundred thirty-five thousand, one hundred thirteen".