15532303452 has 12 divisors (see below), whose sum is σ = 36242041416. Its totient is φ = 5177434480.

The previous prime is 15532303439. The next prime is 15532303481. The reversal of 15532303452 is 25430323551.

15532303452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×15532303452² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 647179299 + ... + 647179322.

It is an arithmetic number, because the mean of its divisors is an integer number (3020170118).

Almost surely, 2^15532303452 is an apocalyptic number.

15532303452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15532303452 is an abundant number, since it is smaller than the sum of its proper divisors (20709737964).

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

15532303452 is a wasteful number, since it uses less digits than its factorization.

15532303452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294358628 (or 1294358626 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 33.

The spelling of 15532303452 in words is "fifteen billion, five hundred thirty-two million, three hundred three thousand, four hundred fifty-two".