11311200131211 has 16 divisors (see below), whose sum is σ = 16770435481600. Its totient is φ = 7534904208264.

The previous prime is 11311200131201. The next prime is 11311200131227. The reversal of 11311200131211 is 11213100211311.

11311200131211 is a `hidden beast` number, since 1 + 1 + 311 + 200 + 131 + 21 + 1 = 666.

It is not a de Polignac number, because 11311200131211 - 2¹⁰ = 11311200130187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11311200131201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163739251 + ... + 163808316.

It is an arithmetic number, because the mean of its divisors is an integer number (1048152217600).

Almost surely, 2^{11311200131211} is an apocalyptic number.

11311200131211 is a deficient number, since it is larger than the sum of its proper divisors (5459235350389).

11311200131211 is a wasteful number, since it uses less digits than its factorization.

11311200131211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327548855 (or 327548849 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 11311200131211 its reverse (11213100211311), we get a palindrome (22524300342522).

The spelling of 11311200131211 in words is "eleven trillion, three hundred eleven billion, two hundred million, one hundred thirty-one thousand, two hundred eleven".