13201042566 has 16 divisors (see below), whose sum is σ = 27791668800. Its totient is φ = 4168750248.

The previous prime is 13201042537. The next prime is 13201042571. The reversal of 13201042566 is 66524010231.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57899196 + ... + 57899423.

It is an arithmetic number, because the mean of its divisors is an integer number (1736979300).

Almost surely, 2^13201042566 is an apocalyptic number.

13201042566 is an abundant number, since it is smaller than the sum of its proper divisors (14590626234).

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

13201042566 is a wasteful number, since it uses less digits than its factorization.

13201042566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115798643.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 13201042566 its reverse (66524010231), we get a palindrome (79725052797).

The spelling of 13201042566 in words is "thirteen billion, two hundred one million, forty-two thousand, five hundred sixty-six".