13556361694009 has 16 divisors (see below), whose sum is σ = 13842049673088. Its totient is φ = 13273136502912.

The previous prime is 13556361693883. The next prime is 13556361694033. The reversal of 13556361694009 is 90049616365531.

It is a happy number.

13556361694009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13556361694009 - 2⁷ = 13556361693881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13556361692009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204199629 + ... + 204266005.

It is an arithmetic number, because the mean of its divisors is an integer number (865128104568).

Almost surely, 2^{13556361694009} is an apocalyptic number.

It is an amenable number.

13556361694009 is a deficient number, since it is larger than the sum of its proper divisors (285687979079).

13556361694009 is a wasteful number, since it uses less digits than its factorization.

13556361694009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84864.

The product of its (nonzero) digits is 15746400, while the sum is 58.

The spelling of 13556361694009 in words is "thirteen trillion, five hundred fifty-six billion, three hundred sixty-one million, six hundred ninety-four thousand, nine".