11123331011 has 8 divisors (see below), whose sum is σ = 11981559744. Its totient is φ = 10265472000.

The previous prime is 11123331007. The next prime is 11123331049. The reversal of 11123331011 is 11013332111.

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 11123331011 - 2² = 11123331007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11123331211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28286 + ... + 151811.

It is an arithmetic number, because the mean of its divisors is an integer number (1497694968).

Almost surely, 2^11123331011 is an apocalyptic number.

11123331011 is a deficient number, since it is larger than the sum of its proper divisors (858228733).

11123331011 is a wasteful number, since it uses less digits than its factorization.

11123331011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184861.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11123331011 its reverse (11013332111), we get a palindrome (22136663122).

The spelling of 11123331011 in words is "eleven billion, one hundred twenty-three million, three hundred thirty-one thousand, eleven".