15505564386006 has 48 divisors (see below), whose sum is σ = 34204577659200. Its totient is φ = 5075004181104.

The previous prime is 15505564385963. The next prime is 15505564386017. The reversal of 15505564386006 is 60068346550551.

15505564386006 is a `hidden beast` number, since 1 + 5 + 5 + 0 + 556 + 4 + 3 + 86 + 0 + 0 + 6 = 666.

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, 7586196 + ... + 9410711.

It is an arithmetic number, because the mean of its divisors is an integer number (712595367900).

Almost surely, 2^{15505564386006} is an apocalyptic number.

15505564386006 is an abundant number, since it is smaller than the sum of its proper divisors (18699013273194).

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

15505564386006 is a wasteful number, since it uses less digits than its factorization.

15505564386006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16997833 (or 16997830 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 54.

The spelling of 15505564386006 in words is "fifteen trillion, five hundred five billion, five hundred sixty-four million, three hundred eighty-six thousand, six".