257488322211 has 12 divisors (see below), whose sum is σ = 371942236120. Its totient is φ = 171652115520.

The previous prime is 257488322197. The next prime is 257488322293. The reversal of 257488322211 is 112223884752.

It is not a de Polignac number, because 257488322211 - 2¹¹ = 257488320163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (257488322711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 317125 + ... + 784566.

Almost surely, 2^257488322211 is an apocalyptic number.

257488322211 is a deficient number, since it is larger than the sum of its proper divisors (114453913909).

257488322211 is a wasteful number, since it uses less digits than its factorization.

257488322211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127666 (or 1127663 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The spelling of 257488322211 in words is "two hundred fifty-seven billion, four hundred eighty-eight million, three hundred twenty-two thousand, two hundred eleven".