13521030552 has 96 divisors (see below), whose sum is σ = 37480060800. Its totient is φ = 4401865728.

The previous prime is 13521030541. The next prime is 13521030559. The reversal of 13521030552 is 25503012531.

It is a happy number.

13521030552 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 103 + 0 + 552 = 666.

13521030552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13521030559) 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 23 ways as a sum of consecutive naturals, for example, 843024 + ... + 858912.

It is an arithmetic number, because the mean of its divisors is an integer number (390417300).

Almost surely, 2^13521030552 is an apocalyptic number.

13521030552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13521030552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18740030400).

13521030552 is an abundant number, since it is smaller than the sum of its proper divisors (23959030248).

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

13521030552 is a wasteful number, since it uses less digits than its factorization.

13521030552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16177 (or 16170 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 13521030552 in words is "thirteen billion, five hundred twenty-one million, thirty thousand, five hundred fifty-two".