5256666666525 has 12 divisors (see below), whose sum is σ = 8691022222112. Its totient is φ = 2803555555440.

The previous prime is 5256666666523. The next prime is 5256666666527.

5256666666525 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (5256666666523) and next prime (5256666666527).

It is not a de Polignac number, because 5256666666525 - 2¹ = 5256666666523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256666666523) 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, 35044444369 + ... + 35044444518.

Almost surely, 2^{5256666666525} is an apocalyptic number.

It is an amenable number.

5256666666525 is a deficient number, since it is larger than the sum of its proper divisors (3434355555587).

5256666666525 is a wasteful number, since it uses less digits than its factorization.

5256666666525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70088888900 (or 70088888895 counting only the distinct ones).

The product of its digits is 699840000, while the sum is 66.

The spelling of 5256666666525 in words is "five trillion, two hundred fifty-six billion, six hundred sixty-six million, six hundred sixty-six thousand, five hundred twenty-five".