42217002765771 has 8 divisors (see below), whose sum is σ = 56492547625104. Its totient is φ = 28043063208480.

The previous prime is 42217002765761. The next prime is 42217002765793. The reversal of 42217002765771 is 17756720071224.

42217002765771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-42217002765771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42217002765701) 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 7 ways as a sum of consecutive naturals, for example, 25401324540 + ... + 25401326201.

It is an arithmetic number, because the mean of its divisors is an integer number (7061568453138).

Almost surely, 2^{42217002765771} is an apocalyptic number.

42217002765771 is a deficient number, since it is larger than the sum of its proper divisors (14275544859333).

42217002765771 is a wasteful number, since it uses less digits than its factorization.

42217002765771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50802651021.

The product of its (nonzero) digits is 2304960, while the sum is 51.

The spelling of 42217002765771 in words is "forty-two trillion, two hundred seventeen billion, two million, seven hundred sixty-five thousand, seven hundred seventy-one".