15120044104 has 64 divisors (see below), whose sum is σ = 31515739200. Its totient is φ = 6743193600.

The previous prime is 15120044089. The next prime is 15120044111. The reversal of 15120044104 is 40144002151.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1018624 + ... + 1033360.

It is an arithmetic number, because the mean of its divisors is an integer number (492433425).

Almost surely, 2^15120044104 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 15120044104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15757869600).

15120044104 is an abundant number, since it is smaller than the sum of its proper divisors (16395695096).

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

15120044104 is a wasteful number, since it uses less digits than its factorization.

15120044104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14974 (or 14970 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 15120044104 its reverse (40144002151), we get a palindrome (55264046255).

The spelling of 15120044104 in words is "fifteen billion, one hundred twenty million, forty-four thousand, one hundred four".