5256210126525 has 24 divisors (see below), whose sum is σ = 8726326640064. Its totient is φ = 2791680057600.

The previous prime is 5256210126509. The next prime is 5256210126527.

It is a happy number.

5256210126525 is nontrivially palindromic in base 10.

5256210126525 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5256210126525 - 2⁴ = 5256210126509 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256210126527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145381929 + ... + 145418078.

It is an arithmetic number, because the mean of its divisors is an integer number (363596943336).

Almost surely, 2^{5256210126525} is an apocalyptic number.

It is an amenable number.

5256210126525 is a deficient number, since it is larger than the sum of its proper divisors (3470116513539).

5256210126525 is a wasteful number, since it uses less digits than its factorization.

5256210126525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290800261 (or 290800256 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 5256210126525 in words is "five trillion, two hundred fifty-six billion, two hundred ten million, one hundred twenty-six thousand, five hundred twenty-five".