11312550003211 has 4 divisors (see below), whose sum is σ = 11324248608112. Its totient is φ = 11300851398312.

The previous prime is 11312550003203. The next prime is 11312550003269. The reversal of 11312550003211 is 11230005521311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11312550003211 - 2³ = 11312550003203 is a prime.

It is a super-2 number, since 2×11312550003211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11312550006211) 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 3 ways as a sum of consecutive naturals, for example, 5849301000 + ... + 5849302933.

It is an arithmetic number, because the mean of its divisors is an integer number (2831062152028).

Almost surely, 2^{11312550003211} is an apocalyptic number.

11312550003211 is a deficient number, since it is larger than the sum of its proper divisors (11698604901).

11312550003211 is an equidigital number, since it uses as much as digits as its factorization.

11312550003211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11698604900.

The product of its (nonzero) digits is 900, while the sum is 25.

Adding to 11312550003211 its reverse (11230005521311), we get a palindrome (22542555524522).

The spelling of 11312550003211 in words is "eleven trillion, three hundred twelve billion, five hundred fifty million, three thousand, two hundred eleven".