57811306971 has 16 divisors (see below), whose sum is σ = 84105042048. Its totient is φ = 35030544000.

The previous prime is 57811306961. The next prime is 57811307027. The reversal of 57811306971 is 17960311875.

It is not a de Polignac number, because 57811306971 - 2¹⁷ = 57811175899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57811306971.

It is not an unprimeable number, because it can be changed into a prime (57811306961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15171 + ... + 340371.

It is an arithmetic number, because the mean of its divisors is an integer number (5256565128).

Almost surely, 2^57811306971 is an apocalyptic number.

57811306971 is a deficient number, since it is larger than the sum of its proper divisors (26293735077).

57811306971 is a wasteful number, since it uses less digits than its factorization.

57811306971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330602.

The product of its (nonzero) digits is 317520, while the sum is 48.

The spelling of 57811306971 in words is "fifty-seven billion, eight hundred eleven million, three hundred six thousand, nine hundred seventy-one".