57015011171 has 4 divisors (see below), whose sum is σ = 57042411144. Its totient is φ = 56987611200.

The previous prime is 57015011129. The next prime is 57015011191. The reversal of 57015011171 is 17111051075.

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 57015011171 - 2¹⁰ = 57015010147 is a prime.

It is a super-2 number, since 2×57015011171² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57015011191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13696865 + ... + 13701026.

It is an arithmetic number, because the mean of its divisors is an integer number (14260602786).

Almost surely, 2^57015011171 is an apocalyptic number.

57015011171 is a deficient number, since it is larger than the sum of its proper divisors (27399973).

57015011171 is a wasteful number, since it uses less digits than its factorization.

57015011171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27399972.

The product of its (nonzero) digits is 1225, while the sum is 29.

The spelling of 57015011171 in words is "fifty-seven billion, fifteen million, eleven thousand, one hundred seventy-one".