11516644026 has 24 divisors (see below), whose sum is σ = 25757656704. Its totient is φ = 3715046280.

The previous prime is 11516643997. The next prime is 11516644039. The reversal of 11516644026 is 62044661511.

11516644026 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 6 + 644 + 0 + 2 + 6 = 666.

11516644026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 10319016 + ... + 10320131.

It is an arithmetic number, because the mean of its divisors is an integer number (1073235696).

Almost surely, 2^11516644026 is an apocalyptic number.

11516644026 is an abundant number, since it is smaller than the sum of its proper divisors (14241012678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11516644026 is a wasteful number, since it uses less digits than its factorization.

11516644026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20639186 (or 20639183 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 11516644026 in words is "eleven billion, five hundred sixteen million, six hundred forty-four thousand, twenty-six".