13665255211133 has 4 divisors (see below), whose sum is σ = 13668485008608. Its totient is φ = 13662025413660.

The previous prime is 13665255211109. The next prime is 13665255211141. The reversal of 13665255211133 is 33111255256631.

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 13665255211133 - 2¹⁰ = 13665255210109 is a prime.

It is a super-2 number, since 2×13665255211133² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13665255211193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1614892391 + ... + 1614900852.

It is an arithmetic number, because the mean of its divisors is an integer number (3417121252152).

Almost surely, 2^{13665255211133} is an apocalyptic number.

It is an amenable number.

13665255211133 is a deficient number, since it is larger than the sum of its proper divisors (3229797475).

13665255211133 is an equidigital number, since it uses as much as digits as its factorization.

13665255211133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229797474.

The product of its digits is 486000, while the sum is 44.

The spelling of 13665255211133 in words is "thirteen trillion, six hundred sixty-five billion, two hundred fifty-five million, two hundred eleven thousand, one hundred thirty-three".