57112217205671 has 4 divisors (see below), whose sum is σ = 57495520677000. Its totient is φ = 56728913734344.

The previous prime is 57112217205653. The next prime is 57112217205697. The reversal of 57112217205671 is 17650271221175.

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

It is a cyclic number.

It is not a de Polignac number, because 57112217205671 - 2¹⁸ = 57112216943527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57112217205871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191651735441 + ... + 191651735738.

It is an arithmetic number, because the mean of its divisors is an integer number (14373880169250).

Almost surely, 2^{57112217205671} is an apocalyptic number.

57112217205671 is a deficient number, since it is larger than the sum of its proper divisors (383303471329).

57112217205671 is a wasteful number, since it uses less digits than its factorization.

57112217205671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383303471328.

The product of its (nonzero) digits is 411600, while the sum is 47.

The spelling of 57112217205671 in words is "fifty-seven trillion, one hundred twelve billion, two hundred seventeen million, two hundred five thousand, six hundred seventy-one".