11115324340513 has 4 divisors (see below), whose sum is σ = 11115527797440. Its totient is φ = 11115120883588.

The previous prime is 11115324340511. The next prime is 11115324340609. The reversal of 11115324340513 is 31504342351111.

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 11115324340513 - 2¹ = 11115324340511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11115324340511) 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, 101646493 + ... + 101755786.

It is an arithmetic number, because the mean of its divisors is an integer number (2778881949360).

Almost surely, 2^{11115324340513} is an apocalyptic number.

It is an amenable number.

11115324340513 is a deficient number, since it is larger than the sum of its proper divisors (203456927).

11115324340513 is an equidigital number, since it uses as much as digits as its factorization.

11115324340513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203456926.

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 11115324340513 its reverse (31504342351111), we get a palindrome (42619666691624).

The spelling of 11115324340513 in words is "eleven trillion, one hundred fifteen billion, three hundred twenty-four million, three hundred forty thousand, five hundred thirteen".