15533103145 has 32 divisors (see below), whose sum is σ = 21759552000. Its totient is φ = 10640363328.

The previous prime is 15533103137. The next prime is 15533103149. The reversal of 15533103145 is 54130133551.

15533103145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15533103145 - 2³ = 15533103137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15533103149) 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 31 ways as a sum of consecutive naturals, for example, 1897852 + ... + 1906018.

It is an arithmetic number, because the mean of its divisors is an integer number (679986000).

Almost surely, 2^15533103145 is an apocalyptic number.

It is an amenable number.

15533103145 is a deficient number, since it is larger than the sum of its proper divisors (6226448855).

15533103145 is an equidigital number, since it uses as much as digits as its factorization.

15533103145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9302 (or 9288 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 15533103145 its reverse (54130133551), we get a palindrome (69663236696).

The spelling of 15533103145 in words is "fifteen billion, five hundred thirty-three million, one hundred three thousand, one hundred forty-five".