13556342912 has 128 divisors (see below), whose sum is σ = 32817104640. Its totient is φ = 5445255168.

The previous prime is 13556342887. The next prime is 13556342953. The reversal of 13556342912 is 21924365531.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 13556342912.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3912893 + ... + 3916355.

It is an arithmetic number, because the mean of its divisors is an integer number (256383630).

Almost surely, 2^13556342912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13556342912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16408552320).

13556342912 is an abundant number, since it is smaller than the sum of its proper divisors (19260761728).

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

13556342912 is a wasteful number, since it uses less digits than its factorization.

13556342912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3758 (or 3746 counting only the distinct ones).

The product of its digits is 194400, while the sum is 41.

The spelling of 13556342912 in words is "thirteen billion, five hundred fifty-six million, three hundred forty-two thousand, nine hundred twelve".