257703857274411 has 12 divisors (see below), whose sum is σ = 372239087601888. Its totient is φ = 171802487216304.

The previous prime is 257703857274323. The next prime is 257703857274473. The reversal of 257703857274411 is 114472758307752.

257703857274411 is a `hidden beast` number, since 2 + 5 + 7 + 7 + 0 + 3 + 8 + 572 + 7 + 44 + 11 = 666.

It is not a de Polignac number, because 257703857274411 - 2²¹ = 257703855177259 is a prime.

It is a super-2 number, since 2×257703857274411² (a number of 30 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (257703857278411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16472521 + ... + 28049093.

It is an arithmetic number, because the mean of its divisors is an integer number (31019923966824).

Almost surely, 2^{257703857274411} is an apocalyptic number.

257703857274411 is a deficient number, since it is larger than the sum of its proper divisors (114535230327477).

257703857274411 is a wasteful number, since it uses less digits than its factorization.

257703857274411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14050002 (or 14049999 counting only the distinct ones).

The product of its (nonzero) digits is 92198400, while the sum is 63.

The spelling of 257703857274411 in words is "two hundred fifty-seven trillion, seven hundred three billion, eight hundred fifty-seven million, two hundred seventy-four thousand, four hundred eleven".