57126745187 has 2 divisors, whose sum is σ = 57126745188. Its totient is φ = 57126745186.

The previous prime is 57126745171. The next prime is 57126745189. The reversal of 57126745187 is 78154762175.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57126745187 - 2⁴ = 57126745171 is a prime.

Together with 57126745189, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57126745189) 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, 28563372593 + 28563372594.

It is an arithmetic number, because the mean of its divisors is an integer number (28563372594).

Almost surely, 2^57126745187 is an apocalyptic number.

57126745187 is a deficient number, since it is larger than the sum of its proper divisors (1).

57126745187 is an equidigital number, since it uses as much as digits as its factorization.

57126745187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3292800, while the sum is 53.

The spelling of 57126745187 in words is "fifty-seven billion, one hundred twenty-six million, seven hundred forty-five thousand, one hundred eighty-seven".