257562013771317 has 32 divisors (see below), whose sum is σ = 348443774714880. Its totient is φ = 169211079521280.

The previous prime is 257562013771303. The next prime is 257562013771397. The reversal of 257562013771317 is 713177310265752.

It is not a de Polignac number, because 257562013771317 - 2⁶ = 257562013771253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257562013771397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1033932984 + ... + 1034182062.

It is an arithmetic number, because the mean of its divisors is an integer number (10888867959840).

Almost surely, 2^{257562013771317} is an apocalyptic number.

It is an amenable number.

257562013771317 is a deficient number, since it is larger than the sum of its proper divisors (90881760943563).

257562013771317 is a wasteful number, since it uses less digits than its factorization.

257562013771317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266073.

The product of its (nonzero) digits is 12965400, while the sum is 57.

The spelling of 257562013771317 in words is "two hundred fifty-seven trillion, five hundred sixty-two billion, thirteen million, seven hundred seventy-one thousand, three hundred seventeen".