15103032042 has 64 divisors (see below), whose sum is σ = 35658547200. Its totient is φ = 4173171840.

The previous prime is 15103032013. The next prime is 15103032047. The reversal of 15103032042 is 24023030151.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (15103032047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2651934 + ... + 2657622.

It is an arithmetic number, because the mean of its divisors is an integer number (557164800).

Almost surely, 2^15103032042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15103032042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17829273600).

15103032042 is an abundant number, since it is smaller than the sum of its proper divisors (20555515158).

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

15103032042 is a wasteful number, since it uses less digits than its factorization.

15103032042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7771.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 15103032042 its reverse (24023030151), we get a palindrome (39126062193).

The spelling of 15103032042 in words is "fifteen billion, one hundred three million, thirty-two thousand, forty-two".