15225823008 has 162 divisors, whose sum is σ = 47664603441. Its totient is φ = 4606905600.

The previous prime is 15225822971. The next prime is 15225823021. The reversal of 15225823008 is 80032852251.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

15225823008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13770553104 + 1455269904 = 117348^2 + 38148^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=87252.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 26 ways as a sum of consecutive naturals, for example, 23034198 + ... + 23034858.

Almost surely, 2^15225823008 is an apocalyptic number.

15225823008 is a gapful number since it is divisible by the number (18) 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 15225823008

15225823008 is an abundant number, since it is smaller than the sum of its proper divisors (32438780433).

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

15225823008 is an equidigital number, since it uses as much as digits as its factorization.

15225823008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 15225823008 in words is "fifteen billion, two hundred twenty-five million, eight hundred twenty-three thousand, eight".