13665082001245 has 32 divisors (see below), whose sum is σ = 16735976006400. Its totient is φ = 10709409655296.

The previous prime is 13665082001227. The next prime is 13665082001257. The reversal of 13665082001245 is 54210028056631.

It is a cyclic number.

It is not a de Polignac number, because 13665082001245 - 2⁷ = 13665082001117 is a prime.

It is a super-2 number, since 2×13665082001245² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29896567 + ... + 30350203.

It is an arithmetic number, because the mean of its divisors is an integer number (522999250200).

Almost surely, 2^{13665082001245} is an apocalyptic number.

It is an amenable number.

13665082001245 is a deficient number, since it is larger than the sum of its proper divisors (3070894005155).

13665082001245 is a wasteful number, since it uses less digits than its factorization.

13665082001245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454357.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 13665082001245 in words is "thirteen trillion, six hundred sixty-five billion, eighty-two million, one thousand, two hundred forty-five".