5267857122128 has 20 divisors (see below), whose sum is σ = 10206843122388. Its totient is φ = 2633833090560.

The previous prime is 5267857122127. The next prime is 5267857122191. The reversal of 5267857122128 is 8212217587625.

It can be written as a sum of positive squares in 2 ways, for example, as 351402355264 + 4916454766864 = 592792^2 + 2217308^2 .

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5267857122127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5510633 + ... + 6395528.

Almost surely, 2^{5267857122128} is an apocalyptic number.

It is an amenable number.

5267857122128 is a deficient number, since it is larger than the sum of its proper divisors (4938986000260).

5267857122128 is a wasteful number, since it uses less digits than its factorization.

5267857122128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11933822 (or 11933816 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 56.

The spelling of 5267857122128 in words is "five trillion, two hundred sixty-seven billion, eight hundred fifty-seven million, one hundred twenty-two thousand, one hundred twenty-eight".