15320403564 has 48 divisors (see below), whose sum is σ = 36199400160. Its totient is φ = 5042534400.

The previous prime is 15320403559. The next prime is 15320403611. The reversal of 15320403564 is 46530402351.

15320403564 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 15 ways as a sum of consecutive naturals, for example, 435132 + ... + 469020.

It is an arithmetic number, because the mean of its divisors is an integer number (754154170).

Almost surely, 2^15320403564 is an apocalyptic number.

It is an amenable number.

15320403564 is an abundant number, since it is smaller than the sum of its proper divisors (20878996596).

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

15320403564 is a wasteful number, since it uses less digits than its factorization.

15320403564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34370 (or 34368 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 15320403564 in words is "fifteen billion, three hundred twenty million, four hundred three thousand, five hundred sixty-four".