11112911 has 8 divisors (see below), whose sum is σ = 11558400. Its totient is φ = 10672920.

The previous prime is 11112901. The next prime is 11112923. The reversal of 11112911 is 11921111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11112911 - 2⁶ = 11112847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11112911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112901) 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 7 ways as a sum of consecutive naturals, for example, 3020 + ... + 5598.

It is an arithmetic number, because the mean of its divisors is an integer number (1444800).

Almost surely, 2^11112911 is an apocalyptic number.

11112911 is a deficient number, since it is larger than the sum of its proper divisors (445489).

11112911 is a wasteful number, since it uses less digits than its factorization.

11112911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749.

The product of its digits is 18, while the sum is 17.

The square root of 11112911 is about 3333.6033057339. The cubic root of 11112911 is about 223.1563650928.

The spelling of 11112911 in words is "eleven million, one hundred twelve thousand, nine hundred eleven".