11203353440 has 24 divisors (see below), whose sum is σ = 26467922880. Its totient is φ = 4481341312.

The previous prime is 11203353437. The next prime is 11203353449. The reversal of 11203353440 is 4435330211.

11203353440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203353449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35010320 + ... + 35010639.

It is an arithmetic number, because the mean of its divisors is an integer number (1102830120).

Almost surely, 2^11203353440 is an apocalyptic number.

11203353440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11203353440 is an abundant number, since it is smaller than the sum of its proper divisors (15264569440).

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

11203353440 is an equidigital number, since it uses as much as digits as its factorization.

11203353440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70020974 (or 70020966 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 11203353440 its reverse (4435330211), we get a palindrome (15638683651).

The spelling of 11203353440 in words is "eleven billion, two hundred three million, three hundred fifty-three thousand, four hundred forty".