11515110241 has 4 divisors (see below), whose sum is σ = 12015767232. Its totient is φ = 11014453252.

The previous prime is 11515110203. The next prime is 11515110247. The reversal of 11515110241 is 14201151511.

11515110241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11515110241 - 2²⁹ = 10978239329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11515110247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250328461 + ... + 250328506.

It is an arithmetic number, because the mean of its divisors is an integer number (3003941808).

Almost surely, 2^11515110241 is an apocalyptic number.

It is an amenable number.

11515110241 is a deficient number, since it is larger than the sum of its proper divisors (500656991).

11515110241 is an equidigital number, since it uses as much as digits as its factorization.

11515110241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500656990.

The product of its (nonzero) digits is 200, while the sum is 22.

Adding to 11515110241 its reverse (14201151511), we get a palindrome (25716261752).

The spelling of 11515110241 in words is "eleven billion, five hundred fifteen million, one hundred ten thousand, two hundred forty-one".