11231322232005 has 12 divisors (see below), whose sum is σ = 19467625202220. Its totient is φ = 5990038523712.

The previous prime is 11231322232001. The next prime is 11231322232049. The reversal of 11231322232005 is 50023222313211.

11231322232005 is a `hidden beast` number, since 1 + 1 + 2 + 313 + 2 + 22 + 320 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7990922619684 + 3240399612321 = 2826822^2 + 1800111^2 .

It is not a de Polignac number, because 11231322232005 - 2² = 11231322232001 is a prime.

It is a super-3 number, since 3×11231322232005³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 11231322232005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231322232001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124792469200 + ... + 124792469289.

It is an arithmetic number, because the mean of its divisors is an integer number (1622302100185).

Almost surely, 2^{11231322232005} is an apocalyptic number.

11231322232005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11231322232005 is a deficient number, since it is larger than the sum of its proper divisors (8236302970215).

11231322232005 is a wasteful number, since it uses less digits than its factorization.

11231322232005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249584938500 (or 249584938497 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 11231322232005 its reverse (50023222313211), we get a palindrome (61254544545216).

The spelling of 11231322232005 in words is "eleven trillion, two hundred thirty-one billion, three hundred twenty-two million, two hundred thirty-two thousand, five".