11420324205 has 128 divisors (see below), whose sum is σ = 21215969280. Its totient is φ = 5213134080.

The previous prime is 11420324101. The next prime is 11420324221. The reversal of 11420324205 is 50242302411.

It is not a de Polignac number, because 11420324205 - 2⁷ = 11420324077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8737162 + ... + 8738468.

It is an arithmetic number, because the mean of its divisors is an integer number (165749760).

Almost surely, 2^11420324205 is an apocalyptic number.

11420324205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11420324205 is a deficient number, since it is larger than the sum of its proper divisors (9795645075).

11420324205 is a wasteful number, since it uses less digits than its factorization.

11420324205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 11420324205 its reverse (50242302411), we get a palindrome (61662626616).

The spelling of 11420324205 in words is "eleven billion, four hundred twenty million, three hundred twenty-four thousand, two hundred five".