257704411126 has 16 divisors (see below), whose sum is σ = 388703323008. Its totient is φ = 128137867200.

The previous prime is 257704411093. The next prime is 257704411141. The reversal of 257704411126 is 621114407752.

257704411126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112666 + ... + 726706.

It is an arithmetic number, because the mean of its divisors is an integer number (24293957688).

Almost surely, 2^257704411126 is an apocalyptic number.

257704411126 is a deficient number, since it is larger than the sum of its proper divisors (130998911882).

257704411126 is a wasteful number, since it uses less digits than its factorization.

257704411126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615207.

The product of its (nonzero) digits is 94080, while the sum is 40.

Adding to 257704411126 its reverse (621114407752), we get a palindrome (878818818878).

The spelling of 257704411126 in words is "two hundred fifty-seven billion, seven hundred four million, four hundred eleven thousand, one hundred twenty-six".