11003404030400 has 84 divisors (see below), whose sum is σ = 27586105048152. Its totient is φ = 4318317020160.

The previous prime is 11003404030393. The next prime is 11003404030469. The reversal of 11003404030400 is 403040430011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64793762 + ... + 64963361.

It is an arithmetic number, because the mean of its divisors is an integer number (328406012478).

Almost surely, 2^{11003404030400} is an apocalyptic number.

11003404030400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11003404030400 is an abundant number, since it is smaller than the sum of its proper divisors (16582701017752).

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

11003404030400 is a wasteful number, since it uses less digits than its factorization.

11003404030400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129757198 (or 129757183 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 11003404030400 its reverse (403040430011), we get a palindrome (11406444460411).

The spelling of 11003404030400 in words is "eleven trillion, three billion, four hundred four million, thirty thousand, four hundred".