11053231211 has 8 divisors (see below), whose sum is σ = 12144820800. Its totient is φ = 9976100040.

The previous prime is 11053231199. The next prime is 11053231213. The reversal of 11053231211 is 11213235011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11053231211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11053231213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3613001 + ... + 3616058.

It is an arithmetic number, because the mean of its divisors is an integer number (1518102600).

Almost surely, 2^11053231211 is an apocalyptic number.

11053231211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11053231211 is a deficient number, since it is larger than the sum of its proper divisors (1091589589).

11053231211 is a wasteful number, since it uses less digits than its factorization.

11053231211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7229209.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 11053231211 its reverse (11213235011), we get a palindrome (22266466222).

The spelling of 11053231211 in words is "eleven billion, fifty-three million, two hundred thirty-one thousand, two hundred eleven".