11115113 has 4 divisors (see below), whose sum is σ = 11373648. Its totient is φ = 10856580.

The previous prime is 11115109. The next prime is 11115119. The reversal of 11115113 is 31151111.

11115113 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, and also an emirpimes, since its reverse is a distinct semiprime: 31151111 = 521 ⋅59791.

It is a cyclic number.

It is not a de Polignac number, because 11115113 - 2² = 11115109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11115119) 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, 129203 + ... + 129288.

It is an arithmetic number, because the mean of its divisors is an integer number (2843412).

Almost surely, 2^11115113 is an apocalyptic number.

It is an amenable number.

11115113 is a deficient number, since it is larger than the sum of its proper divisors (258535).

11115113 is an equidigital number, since it uses as much as digits as its factorization.

11115113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258534.

The product of its digits is 15, while the sum is 14.

The square root of 11115113 is about 3333.9335626254. The cubic root of 11115113 is about 223.1711034412.

Adding to 11115113 its reverse (31151111), we get a palindrome (42266224).

The spelling of 11115113 in words is "eleven million, one hundred fifteen thousand, one hundred thirteen".