13200561662565 has 8 divisors (see below), whose sum is σ = 21120898660128. Its totient is φ = 7040299553360.

The previous prime is 13200561662539. The next prime is 13200561662581. The reversal of 13200561662565 is 56526616500231.

13200561662565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13200561662565 - 2⁷ = 13200561662437 is a prime.

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, 440018722071 + ... + 440018722100.

It is an arithmetic number, because the mean of its divisors is an integer number (2640112332516).

Almost surely, 2^{13200561662565} is an apocalyptic number.

13200561662565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13200561662565 is a deficient number, since it is larger than the sum of its proper divisors (7920336997563).

13200561662565 is an equidigital number, since it uses as much as digits as its factorization.

13200561662565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880037444179.

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 13200561662565 in words is "thirteen trillion, two hundred billion, five hundred sixty-one million, six hundred sixty-two thousand, five hundred sixty-five".