15120044105 has 16 divisors (see below), whose sum is σ = 19102033920. Its totient is φ = 11457583488.

The previous prime is 15120044089. The next prime is 15120044111. The reversal of 15120044105 is 50144002151.

It is a cyclic number.

It is not a de Polignac number, because 15120044105 - 2⁴ = 15120044089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1140344 + ... + 1153526.

It is an arithmetic number, because the mean of its divisors is an integer number (1193877120).

Almost surely, 2^15120044105 is an apocalyptic number.

It is an amenable number.

15120044105 is a deficient number, since it is larger than the sum of its proper divisors (3981989815).

15120044105 is a wasteful number, since it uses less digits than its factorization.

15120044105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25280.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 15120044105 its reverse (50144002151), we get a palindrome (65264046256).

The spelling of 15120044105 in words is "fifteen billion, one hundred twenty million, forty-four thousand, one hundred five".