15453125644 has 96 divisors (see below), whose sum is σ = 32098332672. Its totient is φ = 6436320000.

The previous prime is 15453125641. The next prime is 15453125659. The reversal of 15453125644 is 44652135451.

15453125644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 15453125597 and 15453125606.

It is not an unprimeable number, because it can be changed into a prime (15453125641) 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 31 ways as a sum of consecutive naturals, for example, 3166134 + ... + 3171010.

It is an arithmetic number, because the mean of its divisors is an integer number (334357632).

Almost surely, 2^15453125644 is an apocalyptic number.

It is an amenable number.

15453125644 is an abundant number, since it is smaller than the sum of its proper divisors (16645207028).

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

15453125644 is a wasteful number, since it uses less digits than its factorization.

15453125644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5047 (or 5045 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

The spelling of 15453125644 in words is "fifteen billion, four hundred fifty-three million, one hundred twenty-five thousand, six hundred forty-four".