11133213311 has 8 divisors (see below), whose sum is σ = 12148548048. Its totient is φ = 10118416000.

The previous prime is 11133213293. The next prime is 11133213323. The reversal of 11133213311 is 11331233111.

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

It is a de Polignac number, because none of the positive numbers 2^k-11133213311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133213391) 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, 90410 + ... + 174471.

It is an arithmetic number, because the mean of its divisors is an integer number (1518568506).

Almost surely, 2^11133213311 is an apocalyptic number.

11133213311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11133213311 is a deficient number, since it is larger than the sum of its proper divisors (1015334737).

11133213311 is a wasteful number, since it uses less digits than its factorization.

11133213311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268713.

The product of its digits is 162, while the sum is 20.

Adding to 11133213311 its reverse (11331233111), we get a palindrome (22464446422).

The spelling of 11133213311 in words is "eleven billion, one hundred thirty-three million, two hundred thirteen thousand, three hundred eleven".