11420324208 has 120 divisors (see below), whose sum is σ = 32352356400. Its totient is φ = 3760404480.

The previous prime is 11420324101. The next prime is 11420324221. The reversal of 11420324208 is 80242302411.

11420324208 is a `hidden beast` number, since 1 + 1 + 420 + 32 + 4 + 208 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5677923 + ... + 5679933.

It is an arithmetic number, because the mean of its divisors is an integer number (269602970).

Almost surely, 2^11420324208 is an apocalyptic number.

11420324208 is a gapful number since it is divisible by the number (18) 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 11420324208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16176178200).

11420324208 is an abundant number, since it is smaller than the sum of its proper divisors (20932032192).

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

11420324208 is a wasteful number, since it uses less digits than its factorization.

11420324208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487 (or 2478 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 11420324208 its reverse (80242302411), we get a palindrome (91662626619).

The spelling of 11420324208 in words is "eleven billion, four hundred twenty million, three hundred twenty-four thousand, two hundred eight".