257525712116 has 48 divisors (see below), whose sum is σ = 488692915200. Its totient is φ = 118391285760.

The previous prime is 257525712079. The next prime is 257525712121. The reversal of 257525712116 is 611217525752.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121940 + ... + 727956.

It is an arithmetic number, because the mean of its divisors is an integer number (10181102400).

Almost surely, 2^257525712116 is an apocalyptic number.

It is an amenable number.

257525712116 is a deficient number, since it is larger than the sum of its proper divisors (231167203084).

257525712116 is a wasteful number, since it uses less digits than its factorization.

257525712116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606224 (or 606222 counting only the distinct ones).

The product of its digits is 294000, while the sum is 44.

The spelling of 257525712116 in words is "two hundred fifty-seven billion, five hundred twenty-five million, seven hundred twelve thousand, one hundred sixteen".