12404352561056 has 48 divisors (see below), whose sum is σ = 25250506202880. Its totient is φ = 5994353118720.

The previous prime is 12404352561043. The next prime is 12404352561103. The reversal of 12404352561056 is 65016525340421.

It is a junction number, because it is equal to n+sod(n) for n = 12404352560998 and 12404352561016.

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 7 ways as a sum of consecutive naturals, for example, 44039696 + ... + 44320463.

It is an arithmetic number, because the mean of its divisors is an integer number (526052212560).

Almost surely, 2^{12404352561056} is an apocalyptic number.

12404352561056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12404352561056 is an abundant number, since it is smaller than the sum of its proper divisors (12846153641824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12404352561056 is a wasteful number, since it uses less digits than its factorization.

12404352561056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88360317 (or 88360309 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 12404352561056 in words is "twelve trillion, four hundred four billion, three hundred fifty-two million, five hundred sixty-one thousand, fifty-six".