12113305817885 has 8 divisors (see below), whose sum is σ = 14535985659360. Its totient is φ = 9690632202384.

The previous prime is 12113305817881. The next prime is 12113305817953. The reversal of 12113305817885 is 58871850331121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12113305817885 - 2² = 12113305817881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113305817881) by changing a digit.

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, 6994574 + ... + 8552816.

It is an arithmetic number, because the mean of its divisors is an integer number (1816998207420).

Almost surely, 2^{12113305817885} is an apocalyptic number.

It is an amenable number.

12113305817885 is a deficient number, since it is larger than the sum of its proper divisors (2422679841475).

12113305817885 is a wasteful number, since it uses less digits than its factorization.

12113305817885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112987.

The product of its (nonzero) digits is 1612800, while the sum is 53.

The spelling of 12113305817885 in words is "twelve trillion, one hundred thirteen billion, three hundred five million, eight hundred seventeen thousand, eight hundred eighty-five".