5255678765525 has 24 divisors (see below), whose sum is σ = 6526390174920. Its totient is φ = 4198513213440.

The previous prime is 5255678765509. The next prime is 5255678765527.

It is a happy number.

5255678765525 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 12 ways, for example, as 1110802170916 + 4144876594609 = 1053946^2 + 2035897^2 .

It is not a de Polignac number, because 5255678765525 - 2⁴ = 5255678765509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5255678765527) 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, 200945849 + ... + 200972001.

It is an arithmetic number, because the mean of its divisors is an integer number (271932923955).

Almost surely, 2^{5255678765525} is an apocalyptic number.

It is an amenable number.

5255678765525 is a deficient number, since it is larger than the sum of its proper divisors (1270711409395).

5255678765525 is a wasteful number, since it uses less digits than its factorization.

5255678765525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37385 (or 37380 counting only the distinct ones).

The product of its digits is 882000000, while the sum is 68.

The spelling of 5255678765525 in words is "five trillion, two hundred fifty-five billion, six hundred seventy-eight million, seven hundred sixty-five thousand, five hundred twenty-five".