11443715317321 has 8 divisors (see below), whose sum is σ = 13205507828864. Its totient is φ = 9713666815200.

The previous prime is 11443715317303. The next prime is 11443715317339. The reversal of 11443715317321 is 12371351734411.

It is an interprime number because it is at equal distance from previous prime (11443715317303) and next prime (11443715317339).

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 11443715317321 - 2¹³ = 11443715309129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11443715317301) 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, 7936001580 + ... + 7936003021.

It is an arithmetic number, because the mean of its divisors is an integer number (1650688478608).

Almost surely, 2^{11443715317321} is an apocalyptic number.

It is an amenable number.

11443715317321 is a deficient number, since it is larger than the sum of its proper divisors (1761792511543).

11443715317321 is a wasteful number, since it uses less digits than its factorization.

11443715317321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15872004711.

The product of its digits is 211680, while the sum is 43.

The spelling of 11443715317321 in words is "eleven trillion, four hundred forty-three billion, seven hundred fifteen million, three hundred seventeen thousand, three hundred twenty-one".