57111576712221 has 8 divisors (see below), whose sum is σ = 76392055752640. Its totient is φ = 37952741073312.

The previous prime is 57111576712163. The next prime is 57111576712237. The reversal of 57111576712221 is 12221767511175.

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

It is not a de Polignac number, because 57111576712221 - 2³⁴ = 57094396843037 is a prime.

It is a super-3 number, since 3×57111576712221³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57111576712291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30410849281 + ... + 30410851158.

It is an arithmetic number, because the mean of its divisors is an integer number (9549006969080).

Almost surely, 2^{57111576712221} is an apocalyptic number.

It is an amenable number.

57111576712221 is a deficient number, since it is larger than the sum of its proper divisors (19280479040419).

57111576712221 is a wasteful number, since it uses less digits than its factorization.

57111576712221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60821700755.

The product of its digits is 411600, while the sum is 48.

The spelling of 57111576712221 in words is "fifty-seven trillion, one hundred eleven billion, five hundred seventy-six million, seven hundred twelve thousand, two hundred twenty-one".