11321451241211 has 4 divisors (see below), whose sum is σ = 11322507061992. Its totient is φ = 11320395420432.

The previous prime is 11321451241159. The next prime is 11321451241229. The reversal of 11321451241211 is 11214215412311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11321451241211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11321451241811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527894306 + ... + 527915751.

It is an arithmetic number, because the mean of its divisors is an integer number (2830626765498).

Almost surely, 2^{11321451241211} is an apocalyptic number.

11321451241211 is a deficient number, since it is larger than the sum of its proper divisors (1055820781).

11321451241211 is a wasteful number, since it uses less digits than its factorization.

11321451241211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055820780.

The product of its digits is 1920, while the sum is 29.

Adding to 11321451241211 its reverse (11214215412311), we get a palindrome (22535666653522).

The spelling of 11321451241211 in words is "eleven trillion, three hundred twenty-one billion, four hundred fifty-one million, two hundred forty-one thousand, two hundred eleven".