15130221232 has 40 divisors (see below), whose sum is σ = 33758410752. Its totient is φ = 6434875200.

The previous prime is 15130221229. The next prime is 15130221233. The reversal of 15130221232 is 23212203151.

15130221232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15130221233) 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 7 ways as a sum of consecutive naturals, for example, 500944 + ... + 530287.

Almost surely, 2^15130221232 is an apocalyptic number.

It is an amenable number.

15130221232 is an abundant number, since it is smaller than the sum of its proper divisors (18628189520).

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

15130221232 is a wasteful number, since it uses less digits than its factorization.

15130221232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031377 (or 1031371 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 15130221232 its reverse (23212203151), we get a palindrome (38342424383).

The spelling of 15130221232 in words is "fifteen billion, one hundred thirty million, two hundred twenty-one thousand, two hundred thirty-two".