13625400305525 has 12 divisors (see below), whose sum is σ = 16895561369700. Its totient is φ = 10900278314880.

The previous prime is 13625400305519. The next prime is 13625400305527. The reversal of 13625400305525 is 52550300452631.

It can be written as a sum of positive squares in 6 ways, for example, as 6674916619396 + 6950483686129 = 2583586^2 + 2636377^2 .

It is not a de Polignac number, because 13625400305525 - 2⁴⁰ = 12525888677749 is a prime.

It is a super-4 number, since 4×13625400305525⁴ (a number of 54 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13625400305527) 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, 6705521 + ... + 8497929.

It is an arithmetic number, because the mean of its divisors is an integer number (1407963447475).

Almost surely, 2^{13625400305525} is an apocalyptic number.

It is an amenable number.

13625400305525 is a deficient number, since it is larger than the sum of its proper divisors (3270161064175).

13625400305525 is a wasteful number, since it uses less digits than its factorization.

13625400305525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096488 (or 2096483 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 13625400305525 in words is "thirteen trillion, six hundred twenty-five billion, four hundred million, three hundred five thousand, five hundred twenty-five".