11115716993 has 4 divisors (see below), whose sum is σ = 11195686320. Its totient is φ = 11035747668.

The previous prime is 11115716959. The next prime is 11115717017. The reversal of 11115716993 is 39961751111.

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 11115716993 - 2¹⁰ = 11115715969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11115716933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39984455 + ... + 39984732.

It is an arithmetic number, because the mean of its divisors is an integer number (2798921580).

Almost surely, 2^11115716993 is an apocalyptic number.

It is an amenable number.

11115716993 is a deficient number, since it is larger than the sum of its proper divisors (79969327).

11115716993 is an equidigital number, since it uses as much as digits as its factorization.

11115716993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79969326.

The product of its digits is 51030, while the sum is 44.

The spelling of 11115716993 in words is "eleven billion, one hundred fifteen million, seven hundred sixteen thousand, nine hundred ninety-three".