11203000428 has 24 divisors (see below), whose sum is σ = 26471226880. Its totient is φ = 3687063120.

The previous prime is 11203000331. The next prime is 11203000429. The reversal of 11203000428 is 82400030211.

It is not an unprimeable number, because it can be changed into a prime (11203000429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5907808 + ... + 5909703.

Almost surely, 2^11203000428 is an apocalyptic number.

It is an amenable number.

11203000428 is an abundant number, since it is smaller than the sum of its proper divisors (15268226452).

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

11203000428 is a wasteful number, since it uses less digits than its factorization.

11203000428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11817597 (or 11817595 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11203000428 its reverse (82400030211), we get a palindrome (93603030639).

The spelling of 11203000428 in words is "eleven billion, two hundred three million, four hundred twenty-eight", and thus it is an aban number.