13321011399967 has 4 divisors (see below), whose sum is σ = 13321417029480. Its totient is φ = 13320605770456.

The previous prime is 13321011399947. The next prime is 13321011400007. The reversal of 13321011399967 is 76999311012331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13321011399967 - 2¹¹ = 13321011397919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321011399947) 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, 202765492 + ... + 202831177.

It is an arithmetic number, because the mean of its divisors is an integer number (3330354257370).

Almost surely, 2^{13321011399967} is an apocalyptic number.

13321011399967 is a deficient number, since it is larger than the sum of its proper divisors (405629513).

13321011399967 is an equidigital number, since it uses as much as digits as its factorization.

13321011399967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405629512.

The product of its (nonzero) digits is 1653372, while the sum is 55.

The spelling of 13321011399967 in words is "thirteen trillion, three hundred twenty-one billion, eleven million, three hundred ninety-nine thousand, nine hundred sixty-seven".