15225272832 has 640 divisors, whose sum is σ = 54870773760. Its totient is φ = 3633315840.

The previous prime is 15225272827. The next prime is 15225272837. The reversal of 15225272832 is 23827252251.

It is a happy number.

15225272832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15225272827) and next prime (15225272837).

It is not an unprimeable number, because it can be changed into a prime (15225272837) 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 63 ways as a sum of consecutive naturals, for example, 78887328 + ... + 78887520.

It is an arithmetic number, because the mean of its divisors is an integer number (85735584).

Almost surely, 2^15225272832 is an apocalyptic number.

15225272832 is a gapful number since it is divisible by the number (12) 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 15225272832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27435386880).

15225272832 is an abundant number, since it is smaller than the sum of its proper divisors (39645500928).

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

15225272832 is a wasteful number, since it uses less digits than its factorization.

15225272832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 268 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

The spelling of 15225272832 in words is "fifteen billion, two hundred twenty-five million, two hundred seventy-two thousand, eight hundred thirty-two".