12838825119861 has 12 divisors (see below), whose sum is σ = 19971505742188. Its totient is φ = 7900815458304.

The previous prime is 12838825119811. The next prime is 12838825119871. The reversal of 12838825119861 is 16891152883821.

12838825119861 is a `hidden beast` number, since 1 + 2 + 8 + 38 + 8 + 2 + 511 + 9 + 86 + 1 = 666.

12838825119861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 747522784836 + 12091302335025 = 864594^2 + 3477255^2 .

It is not a de Polignac number, because 12838825119861 - 2¹³ = 12838825111669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12838825119811) 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, 54866773900 + ... + 54866774133.

Almost surely, 2^{12838825119861} is an apocalyptic number.

It is an amenable number.

12838825119861 is a deficient number, since it is larger than the sum of its proper divisors (7132680622327).

12838825119861 is a wasteful number, since it uses less digits than its factorization.

12838825119861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109733548052 (or 109733548049 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 63.

The spelling of 12838825119861 in words is "twelve trillion, eight hundred thirty-eight billion, eight hundred twenty-five million, one hundred nineteen thousand, eight hundred sixty-one".