11023231011 has 24 divisors (see below), whose sum is σ = 15990780096. Its totient is φ = 6751311840.

The previous prime is 11023230991. The next prime is 11023231019. The reversal of 11023231011 is 11013232011.

It is a happy number.

It is not a de Polignac number, because 11023231011 - 2⁵ = 11023230979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11023231019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55456 + ... + 158498.

It is an arithmetic number, because the mean of its divisors is an integer number (666282504).

Almost surely, 2^11023231011 is an apocalyptic number.

11023231011 is a deficient number, since it is larger than the sum of its proper divisors (4967549085).

11023231011 is a wasteful number, since it uses less digits than its factorization.

11023231011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103283 (or 103270 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11023231011 its reverse (11013232011), we get a palindrome (22036463022).

The spelling of 11023231011 in words is "eleven billion, twenty-three million, two hundred thirty-one thousand, eleven".