13665085001 has 4 divisors (see below), whose sum is σ = 13692252672. Its totient is φ = 13637917332.

The previous prime is 13665084991. The next prime is 13665085033. The reversal of 13665085001 is 10058056631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13665085001 - 2¹⁴ = 13665068617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13665085601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13583081 + ... + 13584086.

It is an arithmetic number, because the mean of its divisors is an integer number (3423063168).

Almost surely, 2^13665085001 is an apocalyptic number.

It is an amenable number.

13665085001 is a deficient number, since it is larger than the sum of its proper divisors (27167671).

13665085001 is an equidigital number, since it uses as much as digits as its factorization.

13665085001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27167670.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 13665085001 in words is "thirteen billion, six hundred sixty-five million, eighty-five thousand, one".