11133313420 has 24 divisors (see below), whose sum is σ = 23548165200. Its totient is φ = 4421285952.

The previous prime is 11133313403. The next prime is 11133313421. The reversal of 11133313420 is 2431333111.

It is a junction number, because it is equal to n+sod(n) for n = 11133313391 and 11133313400.

It is not an unprimeable number, because it can be changed into a prime (11133313421) 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, 1999615 + ... + 2005174.

It is an arithmetic number, because the mean of its divisors is an integer number (981173550).

Almost surely, 2^11133313420 is an apocalyptic number.

11133313420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11133313420 is an abundant number, since it is smaller than the sum of its proper divisors (12414851780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11133313420 is a wasteful number, since it uses less digits than its factorization.

11133313420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4004937 (or 4004935 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 11133313420 its reverse (2431333111), we get a palindrome (13564646531).

The spelling of 11133313420 in words is "eleven billion, one hundred thirty-three million, three hundred thirteen thousand, four hundred twenty".