13113025328 has 80 divisors (see below), whose sum is σ = 28608335616. Its totient is φ = 5777291520.

The previous prime is 13113025291. The next prime is 13113025337. The reversal of 13113025328 is 82352031131.

It is a self number, because there is not a number n which added to its sum of digits gives 13113025328.

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, 2614343 + ... + 2619353.

Almost surely, 2^13113025328 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 13113025328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14304167808).

13113025328 is an abundant number, since it is smaller than the sum of its proper divisors (15495310288).

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

13113025328 is a wasteful number, since it uses less digits than its factorization.

13113025328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5602 (or 5596 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 13113025328 its reverse (82352031131), we get a palindrome (95465056459).

The spelling of 13113025328 in words is "thirteen billion, one hundred thirteen million, twenty-five thousand, three hundred twenty-eight".