12405544000425 has 72 divisors (see below), whose sum is σ = 23189320978200. Its totient is φ = 6331609589760.

The previous prime is 12405544000327. The next prime is 12405544000517. The reversal of 12405544000425 is 52400044550421.

12405544000425 is a `hidden beast` number, since 1 + 2 + 40 + 554 + 40 + 0 + 0 + 4 + 25 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 6596349808896 + 5809194191529 = 2568336^2 + 2410227^2 .

It is not a de Polignac number, because 12405544000425 - 2⁸ = 12405544000169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12405544000425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7675210 + ... + 9149859.

It is an arithmetic number, because the mean of its divisors is an integer number (322073902475).

Almost surely, 2^{12405544000425} is an apocalyptic number.

12405544000425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12405544000425 is a deficient number, since it is larger than the sum of its proper divisors (10783776977775).

12405544000425 is a wasteful number, since it uses less digits than its factorization.

12405544000425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16825227 (or 16825219 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

Adding to 12405544000425 its reverse (52400044550421), we get a palindrome (64805588550846).

The spelling of 12405544000425 in words is "twelve trillion, four hundred five billion, five hundred forty-four million, four hundred twenty-five", and thus it is an aban number.