12825398551437 has 6 divisors (see below), whose sum is σ = 18525575685422. Its totient is φ = 8550265700952.

The previous prime is 12825398551403. The next prime is 12825398551439. The reversal of 12825398551437 is 73415589352821.

12825398551437 is a `hidden beast` number, since 1 + 2 + 8 + 2 + 5 + 3 + 9 + 85 + 514 + 37 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8461431593316 + 4363966958121 = 2908854^2 + 2089011^2 .

It is not a de Polignac number, because 12825398551437 - 2²⁸ = 12825130115981 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 (12825398551439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 712522141738 + ... + 712522141755.

Almost surely, 2^{12825398551437} is an apocalyptic number.

It is an amenable number.

12825398551437 is a deficient number, since it is larger than the sum of its proper divisors (5700177133985).

12825398551437 is a wasteful number, since it uses less digits than its factorization.

12825398551437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425044283499 (or 1425044283496 counting only the distinct ones).

The product of its digits is 72576000, while the sum is 63.

The spelling of 12825398551437 in words is "twelve trillion, eight hundred twenty-five billion, three hundred ninety-eight million, five hundred fifty-one thousand, four hundred thirty-seven".