13811101440728 has 48 divisors (see below), whose sum is σ = 27133485170400. Its totient is φ = 6589982970560.

The previous prime is 13811101440683. The next prime is 13811101440739. The reversal of 13811101440728 is 82704410111831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1961963 + ... + 5609946.

It is an arithmetic number, because the mean of its divisors is an integer number (565280941050).

Almost surely, 2^{13811101440728} is an apocalyptic number.

It is an amenable number.

13811101440728 is a deficient number, since it is larger than the sum of its proper divisors (13322383729672).

13811101440728 is a wasteful number, since it uses less digits than its factorization.

13811101440728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7572392 (or 7572365 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 41.

The spelling of 13811101440728 in words is "thirteen trillion, eight hundred eleven billion, one hundred one million, four hundred forty thousand, seven hundred twenty-eight".