15120043441 has 4 divisors (see below), whose sum is σ = 15120589300. Its totient is φ = 15119497584.

The previous prime is 15120043429. The next prime is 15120043469. The reversal of 15120043441 is 14434002151.

15120043441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14434002151 = 6037 ⋅2390923.

It can be written as a sum of positive squares in 2 ways, for example, as 12860467216 + 2259576225 = 113404^2 + 47535^2 .

It is a cyclic number.

It is not a de Polignac number, because 15120043441 - 2⁹ = 15120042929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15120023441) 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 3 ways as a sum of consecutive naturals, for example, 229026 + ... + 287563.

It is an arithmetic number, because the mean of its divisors is an integer number (3780147325).

Almost surely, 2^15120043441 is an apocalyptic number.

It is an amenable number.

15120043441 is a deficient number, since it is larger than the sum of its proper divisors (545859).

15120043441 is an equidigital number, since it uses as much as digits as its factorization.

15120043441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545858.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 15120043441 its reverse (14434002151), we get a palindrome (29554045592).

The spelling of 15120043441 in words is "fifteen billion, one hundred twenty million, forty-three thousand, four hundred forty-one".