11421413343 has 48 divisors (see below), whose sum is σ = 17596051200. Its totient is φ = 7400289600.

The previous prime is 11421413327. The next prime is 11421413351. The reversal of 11421413343 is 34331412411.

11421413343 is a `hidden beast` number, since 114 + 214 + 1 + 334 + 3 = 666.

It is not a de Polignac number, because 11421413343 - 2⁴ = 11421413327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421413383) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1271518 + ... + 1280468.

It is an arithmetic number, because the mean of its divisors is an integer number (366584400).

Almost surely, 2^11421413343 is an apocalyptic number.

11421413343 is a deficient number, since it is larger than the sum of its proper divisors (6174637857).

11421413343 is an frugal number, since it uses more digits than its factorization.

11421413343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9114 (or 9102 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 11421413343 its reverse (34331412411), we get a palindrome (45752825754).

The spelling of 11421413343 in words is "eleven billion, four hundred twenty-one million, four hundred thirteen thousand, three hundred forty-three".