13111440014015 has 32 divisors (see below), whose sum is σ = 19866921477120. Its totient is φ = 8093930955264.

The previous prime is 13111440014011. The next prime is 13111440014033. The reversal of 13111440014015 is 51041004411131.

It is not a de Polignac number, because 13111440014015 - 2² = 13111440014011 is a prime.

It is a super-2 number, since 2×13111440014015² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111440014011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 479030525 + ... + 479057894.

It is an arithmetic number, because the mean of its divisors is an integer number (620841296160).

Almost surely, 2^{13111440014015} is an apocalyptic number.

13111440014015 is a deficient number, since it is larger than the sum of its proper divisors (6755481463105).

13111440014015 is a wasteful number, since it uses less digits than its factorization.

13111440014015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958088471.

The product of its (nonzero) digits is 960, while the sum is 26.

Adding to 13111440014015 its reverse (51041004411131), we get a palindrome (64152444425146).

The spelling of 13111440014015 in words is "thirteen trillion, one hundred eleven billion, four hundred forty million, fourteen thousand, fifteen".