1103403203000 has 128 divisors (see below), whose sum is σ = 2951782404480. Its totient is φ = 378185702400.

The previous prime is 1103403202949. The next prime is 1103403203011. The reversal of 1103403203000 is 3023043011.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1103403203000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22774802 + ... + 22823198.

It is an arithmetic number, because the mean of its divisors is an integer number (23060800035).

Almost surely, 2^{1103403203000} is an apocalyptic number.

1103403203000 is a gapful number since it is divisible by the number (10) 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 1103403203000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1475891202240).

1103403203000 is an abundant number, since it is smaller than the sum of its proper divisors (1848379201480).

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

1103403203000 is a wasteful number, since it uses less digits than its factorization.

1103403203000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51682 (or 51668 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 1103403203000 its reverse (3023043011), we get a palindrome (1106426246011).

The spelling of 1103403203000 in words is "one trillion, one hundred three billion, four hundred three million, two hundred three thousand".