11223012309 has 16 divisors (see below), whose sum is σ = 15504470592. Its totient is φ = 7215360768.

The previous prime is 11223012257. The next prime is 11223012319. The reversal of 11223012309 is 90321032211.

It is not a de Polignac number, because 11223012309 - 2⁹ = 11223011797 is a prime.

It is a super-2 number, since 2×11223012309² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223012319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434839 + ... + 459924.

It is an arithmetic number, because the mean of its divisors is an integer number (969029412).

Almost surely, 2^11223012309 is an apocalyptic number.

It is an amenable number.

11223012309 is a deficient number, since it is larger than the sum of its proper divisors (4281458283).

11223012309 is a wasteful number, since it uses less digits than its factorization.

11223012309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894916.

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 11223012309 in words is "eleven billion, two hundred twenty-three million, twelve thousand, three hundred nine".