11817324530817 has 8 divisors (see below), whose sum is σ = 16968465993024. Its totient is φ = 7272199711248.

The previous prime is 11817324530801. The next prime is 11817324530839. The reversal of 11817324530817 is 71803542371811.

It is a happy number.

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

It is not a de Polignac number, because 11817324530817 - 2⁴ = 11817324530801 is a prime.

It is a super-4 number, since 4×11817324530817⁴ (a number of 53 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11817324530817.

It is not an unprimeable number, because it can be changed into a prime (11817324570817) 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, 151504160613 + ... + 151504160690.

It is an arithmetic number, because the mean of its divisors is an integer number (2121058249128).

Almost surely, 2^{11817324530817} is an apocalyptic number.

It is an amenable number.

11817324530817 is a deficient number, since it is larger than the sum of its proper divisors (5151141462207).

11817324530817 is a wasteful number, since it uses less digits than its factorization.

11817324530817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303008321319.

The product of its (nonzero) digits is 1128960, while the sum is 51.

The spelling of 11817324530817 in words is "eleven trillion, eight hundred seventeen billion, three hundred twenty-four million, five hundred thirty thousand, eight hundred seventeen".