42639602127111 has 48 divisors (see below), whose sum is σ = 70287569763840. Its totient is φ = 24656345904960.

The previous prime is 42639602127097. The next prime is 42639602127151. The reversal of 42639602127111 is 11172120693624.

42639602127111 is a `hidden beast` number, since 4 + 2 + 6 + 3 + 9 + 602 + 1 + 27 + 1 + 11 = 666.

42639602127111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42639602127111 - 2⁵ = 42639602127079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42639602127151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22680691 + ... + 24488628.

It is an arithmetic number, because the mean of its divisors is an integer number (1464324370080).

Almost surely, 2^{42639602127111} is an apocalyptic number.

42639602127111 is a deficient number, since it is larger than the sum of its proper divisors (27647967636729).

42639602127111 is a wasteful number, since it uses less digits than its factorization.

42639602127111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47169756 (or 47169753 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 42639602127111 in words is "forty-two trillion, six hundred thirty-nine billion, six hundred two million, one hundred twenty-seven thousand, one hundred eleven".