11203030440000 has 1680 divisors, whose sum is σ = 48092104000512. Its totient is φ = 2437129728000.

The previous prime is 11203030439959. The next prime is 11203030440053. The reversal of 11203030440000 is 4403030211.

It is a tau number, because it is divible by the number of its divisors (1680).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 16402679659 + ... + 16402680341.

Almost surely, 2^{11203030440000} is an apocalyptic number.

11203030440000 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 11203030440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24046052000256).

11203030440000 is an abundant number, since it is smaller than the sum of its proper divisors (36889073560512).

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

11203030440000 is a wasteful number, since it uses less digits than its factorization.

11203030440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 11203030440000 its reverse (4403030211), we get a palindrome (11207433470211).

The spelling of 11203030440000 in words is "eleven trillion, two hundred three billion, thirty million, four hundred forty thousand".