57125143609 has 2 divisors, whose sum is σ = 57125143610. Its totient is φ = 57125143608.

The previous prime is 57125143601. The next prime is 57125143651. The reversal of 57125143609 is 90634152175.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53434945600 + 3690198009 = 231160^2 + 60747^2 .

It is a cyclic number.

It is not a de Polignac number, because 57125143609 - 2³ = 57125143601 is a prime.

It is not a weakly prime, because it can be changed into another prime (57125143601) 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, 28562571804 + 28562571805.

It is an arithmetic number, because the mean of its divisors is an integer number (28562571805).

Almost surely, 2^57125143609 is an apocalyptic number.

It is an amenable number.

57125143609 is a deficient number, since it is larger than the sum of its proper divisors (1).

57125143609 is an equidigital number, since it uses as much as digits as its factorization.

57125143609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 57125143609 in words is "fifty-seven billion, one hundred twenty-five million, one hundred forty-three thousand, six hundred nine".