15530345252 has 12 divisors (see below), whose sum is σ = 27306911856. Its totient is φ = 7728370440.

The previous prime is 15530345209. The next prime is 15530345261. The reversal of 15530345252 is 25254303551.

15530345252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 9199598 + ... + 9201285.

It is an arithmetic number, because the mean of its divisors is an integer number (2275575988).

Almost surely, 2^15530345252 is an apocalyptic number.

It is an amenable number.

15530345252 is a deficient number, since it is larger than the sum of its proper divisors (11776566604).

15530345252 is a wasteful number, since it uses less digits than its factorization.

15530345252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18401098 (or 18401096 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 15530345252 in words is "fifteen billion, five hundred thirty million, three hundred forty-five thousand, two hundred fifty-two".