13201066154556 has 72 divisors (see below), whose sum is σ = 38266571956704. Its totient is φ = 3758860356480.

The previous prime is 13201066154537. The next prime is 13201066154561. The reversal of 13201066154556 is 65545166010231.

13201066154556 is a `hidden beast` number, since 1 + 3 + 20 + 1 + 0 + 6 + 615 + 4 + 5 + 5 + 6 = 666.

13201066154556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89320675 + ... + 89468346.

Almost surely, 2^{13201066154556} is an apocalyptic number.

It is an amenable number.

13201066154556 is an abundant number, since it is smaller than the sum of its proper divisors (25065505802148).

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

13201066154556 is a wasteful number, since it uses less digits than its factorization.

13201066154556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178789331 (or 178789326 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 13201066154556 in words is "thirteen trillion, two hundred one billion, sixty-six million, one hundred fifty-four thousand, five hundred fifty-six".