6256943813125 has 10 divisors (see below), whose sum is σ = 7818676989662. Its totient is φ = 5005555050000.

The previous prime is 6256943813077. The next prime is 6256943813143. The reversal of 6256943813125 is 5213183496526.

It can be written as a sum of positive squares in 5 ways, for example, as 4529209701636 + 1727734111489 = 2128194^2 + 1314433^2 .

It is not a de Polignac number, because 6256943813125 - 2¹⁹ = 6256943288837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5005554426 + ... + 5005555675.

Almost surely, 2^{6256943813125} is an apocalyptic number.

It is an amenable number.

6256943813125 is a deficient number, since it is larger than the sum of its proper divisors (1561733176537).

6256943813125 is an equidigital number, since it uses as much as digits as its factorization.

6256943813125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10011110121 (or 10011110106 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 55.

The spelling of 6256943813125 in words is "six trillion, two hundred fifty-six billion, nine hundred forty-three million, eight hundred thirteen thousand, one hundred twenty-five".