13911542313124 has 27 divisors (see below), whose sum is σ = 25450021009483. Its totient is φ = 6653264267672.

The previous prime is 13911542313103. The next prime is 13911542313139. The reversal of 13911542313124 is 42131324511931.

The square root of 13911542313124 is 3729818.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 171531087 + ... + 171612169.

Almost surely, 2^{13911542313124} is an apocalyptic number.

13911542313124 is the 3729818-th square number.

It is an amenable number.

13911542313124 is a deficient number, since it is larger than the sum of its proper divisors (11538478696359).

13911542313124 is an frugal number, since it uses more digits than its factorization.

13911542313124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162216 (or 81108 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The spelling of 13911542313124 in words is "thirteen trillion, nine hundred eleven billion, five hundred forty-two million, three hundred thirteen thousand, one hundred twenty-four".