12533696444416 has 48 divisors (see below), whose sum is σ = 28641454798320. Its totient is φ = 5371584184320.

The previous prime is 12533696444407. The next prime is 12533696444417. The reversal of 12533696444416 is 61444469633521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12533696444417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437126305 + ... + 437154976.

It is an arithmetic number, because the mean of its divisors is an integer number (596696974965).

Almost surely, 2^{12533696444416} is an apocalyptic number.

12533696444416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12533696444416 is an abundant number, since it is smaller than the sum of its proper divisors (16107758353904).

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

12533696444416 is an frugal number, since it uses more digits than its factorization.

12533696444416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874281310 (or 874281290 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 58.

The spelling of 12533696444416 in words is "twelve trillion, five hundred thirty-three billion, six hundred ninety-six million, four hundred forty-four thousand, four hundred sixteen".