11203412424 has 64 divisors (see below), whose sum is σ = 29267222400. Its totient is φ = 3567100416.

The previous prime is 11203412399. The next prime is 11203412461. The reversal of 11203412424 is 42421430211.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 11203412394 and 11203412403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390772 + ... + 418460.

It is an arithmetic number, because the mean of its divisors is an integer number (457300350).

Almost surely, 2^11203412424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11203412424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14633611200).

11203412424 is an abundant number, since it is smaller than the sum of its proper divisors (18063809976).

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

11203412424 is a wasteful number, since it uses less digits than its factorization.

11203412424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28454 (or 28450 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 11203412424 its reverse (42421430211), we get a palindrome (53624842635).

The spelling of 11203412424 in words is "eleven billion, two hundred three million, four hundred twelve thousand, four hundred twenty-four".