11517534259199 has 4 divisors (see below), whose sum is σ = 12195036274464. Its totient is φ = 10840032243936.

The previous prime is 11517534259111. The next prime is 11517534259201. The reversal of 11517534259199 is 99195243571511.

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 11517534259199 - 2⁸ = 11517534258943 is a prime.

It is a super-2 number, since 2×11517534259199² (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 (11517534259799) 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, 338751007607 + ... + 338751007640.

It is an arithmetic number, because the mean of its divisors is an integer number (3048759068616).

Almost surely, 2^{11517534259199} is an apocalyptic number.

11517534259199 is a deficient number, since it is larger than the sum of its proper divisors (677502015265).

11517534259199 is an equidigital number, since it uses as much as digits as its factorization.

11517534259199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677502015264.

The product of its digits is 15309000, while the sum is 62.

The spelling of 11517534259199 in words is "eleven trillion, five hundred seventeen billion, five hundred thirty-four million, two hundred fifty-nine thousand, one hundred ninety-nine".