11053213213 has 4 divisors (see below), whose sum is σ = 12632243680. Its totient is φ = 9474182748.

The previous prime is 11053213181. The next prime is 11053213219. The reversal of 11053213213 is 31231235011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31231235011 = 367 ⋅85098733.

It is a cyclic number.

It is not a de Polignac number, because 11053213213 - 2⁵ = 11053213181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11053213219) 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, 789515223 + ... + 789515236.

It is an arithmetic number, because the mean of its divisors is an integer number (3158060920).

Almost surely, 2^11053213213 is an apocalyptic number.

It is an amenable number.

11053213213 is a deficient number, since it is larger than the sum of its proper divisors (1579030467).

11053213213 is an equidigital number, since it uses as much as digits as its factorization.

11053213213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579030466.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 11053213213 its reverse (31231235011), we get a palindrome (42284448224).

The spelling of 11053213213 in words is "eleven billion, fifty-three million, two hundred thirteen thousand, two hundred thirteen".