11321242205418 has 24 divisors (see below), whose sum is σ = 24583032873828. Its totient is φ = 3765489746112.

The previous prime is 11321242205363. The next prime is 11321242205437. The reversal of 11321242205418 is 81450224212311.

11321242205418 is a `hidden beast` number, since 1 + 1 + 3 + 2 + 12 + 4 + 220 + 5 + 418 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11308578529329 + 12663676089 = 3362823^2 + 112533^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 688129521 + ... + 688145972.

Almost surely, 2^{11321242205418} is an apocalyptic number.

11321242205418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11321242205418 is an abundant number, since it is smaller than the sum of its proper divisors (13261790668410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11321242205418 is a wasteful number, since it uses less digits than its factorization.

11321242205418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376275958 (or 1376275955 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

Adding to 11321242205418 its reverse (81450224212311), we get a palindrome (92771466417729).

The spelling of 11321242205418 in words is "eleven trillion, three hundred twenty-one billion, two hundred forty-two million, two hundred five thousand, four hundred eighteen".