13604145404565 has 16 divisors (see below), whose sum is σ = 21766687444800. Its totient is φ = 7255525949952.

The previous prime is 13604145404543. The next prime is 13604145404621. The reversal of 13604145404565 is 56540454140631.

13604145404565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13604145404565 - 2⁵ = 13604145404533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6795301 + ... + 8566469.

It is an arithmetic number, because the mean of its divisors is an integer number (1360417965300).

Almost surely, 2^{13604145404565} is an apocalyptic number.

13604145404565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13604145404565 is a deficient number, since it is larger than the sum of its proper divisors (8162542040235).

13604145404565 is a wasteful number, since it uses less digits than its factorization.

13604145404565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283236.

The product of its (nonzero) digits is 3456000, while the sum is 48.

The spelling of 13604145404565 in words is "thirteen trillion, six hundred four billion, one hundred forty-five million, four hundred four thousand, five hundred sixty-five".