13665082001243 has 8 divisors (see below), whose sum is σ = 13725845893200. Its totient is φ = 13604327597088.

The previous prime is 13665082001227. The next prime is 13665082001257. The reversal of 13665082001243 is 34210028056631.

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

It is a cyclic number.

It is not a de Polignac number, because 13665082001243 - 2⁴ = 13665082001227 is a prime.

It is a super-2 number, since 2×13665082001243² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13665082001243.

It is not an unprimeable number, because it can be changed into a prime (13665082001293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522848 + ... + 5253906.

It is an arithmetic number, because the mean of its divisors is an integer number (1715730736650).

Almost surely, 2^{13665082001243} is an apocalyptic number.

13665082001243 is a deficient number, since it is larger than the sum of its proper divisors (60763891957).

13665082001243 is a wasteful number, since it uses less digits than its factorization.

13665082001243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4743901.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 13665082001243 in words is "thirteen trillion, six hundred sixty-five billion, eighty-two million, one thousand, two hundred forty-three".