11343311420 has 96 divisors (see below), whose sum is σ = 27980080128. Its totient is φ = 3781919232.

The previous prime is 11343311351. The next prime is 11343311437. The reversal of 11343311420 is 2411334311.

It is a super-2 number, since 2×11343311420² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1398617 + ... + 1406703.

It is an arithmetic number, because the mean of its divisors is an integer number (291459168).

Almost surely, 2^11343311420 is an apocalyptic number.

11343311420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11343311420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13990040064).

11343311420 is an abundant number, since it is smaller than the sum of its proper divisors (16636768708).

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

11343311420 is a wasteful number, since it uses less digits than its factorization.

11343311420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8379 (or 8377 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 11343311420 its reverse (2411334311), we get a palindrome (13754645731).

The spelling of 11343311420 in words is "eleven billion, three hundred forty-three million, three hundred eleven thousand, four hundred twenty".