15225007424 has 112 divisors (see below), whose sum is σ = 36101609280. Its totient is φ = 6288629760.

The previous prime is 15225007393. The next prime is 15225007487. The reversal of 15225007424 is 42470052251.

15225007424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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, 325139 + ... + 369005.

Almost surely, 2^15225007424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15225007424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18050804640).

15225007424 is an abundant number, since it is smaller than the sum of its proper divisors (20876601856).

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

15225007424 is a wasteful number, since it uses less digits than its factorization.

15225007424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43936 (or 43926 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 32.

Adding to 15225007424 its reverse (42470052251), we get a palindrome (57695059675).

The spelling of 15225007424 in words is "fifteen billion, two hundred twenty-five million, seven thousand, four hundred twenty-four".