11112311 has 4 divisors (see below), whose sum is σ = 12699792. Its totient is φ = 9524832.

The previous prime is 11112287. The next prime is 11112317. The reversal of 11112311 is 11321111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11321111 = 421 ⋅26891.

It is a cyclic number.

It is not a de Polignac number, because 11112311 - 2²² = 6918007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11112292 and 11112301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112317) 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, 793730 + ... + 793743.

It is an arithmetic number, because the mean of its divisors is an integer number (3174948).

Almost surely, 2^11112311 is an apocalyptic number.

11112311 is a deficient number, since it is larger than the sum of its proper divisors (1587481).

11112311 is an equidigital number, since it uses as much as digits as its factorization.

11112311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587480.

The product of its digits is 6, while the sum is 11.

The square root of 11112311 is about 3333.5133118078. The cubic root of 11112311 is about 223.1523488565.

Adding to 11112311 its reverse (11321111), we get a palindrome (22433422).

The spelling of 11112311 in words is "eleven million, one hundred twelve thousand, three hundred eleven".