257056266135333 has 16 divisors (see below), whose sum is σ = 391969273228416. Its totient is φ = 146790112408320.

The previous prime is 257056266135271. The next prime is 257056266135373. The reversal of 257056266135333 is 333531662650752.

It is not a de Polignac number, because 257056266135333 - 2¹² = 257056266131237 is a prime.

It is a super-2 number, since 2×257056266135333² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257056266135373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4132573416 + ... + 4132635617.

It is an arithmetic number, because the mean of its divisors is an integer number (24498079576776).

Almost surely, 2^{257056266135333} is an apocalyptic number.

It is an amenable number.

257056266135333 is a deficient number, since it is larger than the sum of its proper divisors (134913007093083).

257056266135333 is a wasteful number, since it uses less digits than its factorization.

257056266135333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8265210524.

The product of its (nonzero) digits is 61236000, while the sum is 57.

The spelling of 257056266135333 in words is "two hundred fifty-seven trillion, fifty-six billion, two hundred sixty-six million, one hundred thirty-five thousand, three hundred thirty-three".