15506023332 has 24 divisors (see below), whose sum is σ = 36185963296. Its totient is φ = 5167925568.

The previous prime is 15506023319. The next prime is 15506023333. The reversal of 15506023332 is 23332060551.

15506023332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 15506023332.

It is not an unprimeable number, because it can be changed into a prime (15506023333) 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, 3898 + ... + 176145.

Almost surely, 2^15506023332 is an apocalyptic number.

15506023332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15506023332 is an abundant number, since it is smaller than the sum of its proper divisors (20679939964).

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

15506023332 is a wasteful number, since it uses less digits than its factorization.

15506023332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187227 (or 187225 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 15506023332 its reverse (23332060551), we get a palindrome (38838083883).

The spelling of 15506023332 in words is "fifteen billion, five hundred six million, twenty-three thousand, three hundred thirty-two".