11331434211 has 8 divisors (see below), whose sum is σ = 15128699904. Its totient is φ = 7544229000.

The previous prime is 11331434183. The next prime is 11331434251. The reversal of 11331434211 is 11243413311.

It is a happy number.

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

It is not a de Polignac number, because 11331434211 - 2⁷ = 11331434083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11331434251) 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, 2512491 + ... + 2516996.

It is an arithmetic number, because the mean of its divisors is an integer number (1891087488).

Almost surely, 2^11331434211 is an apocalyptic number.

11331434211 is a deficient number, since it is larger than the sum of its proper divisors (3797265693).

11331434211 is an equidigital number, since it uses as much as digits as its factorization.

11331434211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5030241.

The product of its digits is 864, while the sum is 24.

Adding to 11331434211 its reverse (11243413311), we get a palindrome (22574847522).

The spelling of 11331434211 in words is "eleven billion, three hundred thirty-one million, four hundred thirty-four thousand, two hundred eleven".