11312333111 has 8 divisors (see below), whose sum is σ = 11331193104. Its totient is φ = 11293490880.

The previous prime is 11312333099. The next prime is 11312333119. The reversal of 11312333111 is 11133321311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11312333111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312333119) 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, 1854176 + ... + 1860266.

It is an arithmetic number, because the mean of its divisors is an integer number (1416399138).

Almost surely, 2^11312333111 is an apocalyptic number.

11312333111 is a deficient number, since it is larger than the sum of its proper divisors (18859993).

11312333111 is a wasteful number, since it uses less digits than its factorization.

11312333111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8881.

The product of its digits is 162, while the sum is 20.

Adding to 11312333111 its reverse (11133321311), we get a palindrome (22445654422).

The spelling of 11312333111 in words is "eleven billion, three hundred twelve million, three hundred thirty-three thousand, one hundred eleven".