57191140873 has 2 divisors, whose sum is σ = 57191140874. Its totient is φ = 57191140872.

The previous prime is 57191140861. The next prime is 57191141011. The reversal of 57191140873 is 37804119175.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50495482944 + 6695657929 = 224712^2 + 81827^2 .

It is a cyclic number.

It is not a de Polignac number, because 57191140873 - 2¹⁷ = 57191009801 is a prime.

It is not a weakly prime, because it can be changed into another prime (57191140823) 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 as a sum of consecutive naturals, namely, 28595570436 + 28595570437.

It is an arithmetic number, because the mean of its divisors is an integer number (28595570437).

Almost surely, 2^57191140873 is an apocalyptic number.

It is an amenable number.

57191140873 is a deficient number, since it is larger than the sum of its proper divisors (1).

57191140873 is an equidigital number, since it uses as much as digits as its factorization.

57191140873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 46.

The spelling of 57191140873 in words is "fifty-seven billion, one hundred ninety-one million, one hundred forty thousand, eight hundred seventy-three".