15120045004124 has 24 divisors (see below), whose sum is σ = 26589715831728. Its totient is φ = 7523038256000.

The previous prime is 15120045004087. The next prime is 15120045004139. The reversal of 15120045004124 is 42140054002151.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5762699 + ... + 7965474.

It is an arithmetic number, because the mean of its divisors is an integer number (1107904826322).

Almost surely, 2^{15120045004124} is an apocalyptic number.

It is an amenable number.

15120045004124 is a deficient number, since it is larger than the sum of its proper divisors (11469670827604).

15120045004124 is a wasteful number, since it uses less digits than its factorization.

15120045004124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13729525 (or 13729523 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 15120045004124 its reverse (42140054002151), we get a palindrome (57260099006275).

The spelling of 15120045004124 in words is "fifteen trillion, one hundred twenty billion, forty-five million, four thousand, one hundred twenty-four".