11321003109 has 16 divisors (see below), whose sum is σ = 16695147392. Its totient is φ = 6778479168.

The previous prime is 11321003081. The next prime is 11321003117. The reversal of 11321003109 is 90130012311.

It is not a de Polignac number, because 11321003109 - 2¹³ = 11320994917 is a prime.

It is a super-2 number, since 2×11321003109² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321053109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3921289 + ... + 3924174.

It is an arithmetic number, because the mean of its divisors is an integer number (1043446712).

Almost surely, 2^11321003109 is an apocalyptic number.

It is an amenable number.

11321003109 is a deficient number, since it is larger than the sum of its proper divisors (5374144283).

11321003109 is a wasteful number, since it uses less digits than its factorization.

11321003109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7845516.

The product of its (nonzero) digits is 162, while the sum is 21.

The spelling of 11321003109 in words is "eleven billion, three hundred twenty-one million, three thousand, one hundred nine".