11103540400 has 60 divisors (see below), whose sum is σ = 27128453400. Its totient is φ = 4366128640.

The previous prime is 11103540391. The next prime is 11103540443. The reversal of 11103540400 is 404530111.

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, 211645 + ... + 258844.

It is an arithmetic number, because the mean of its divisors is an integer number (452140890).

Almost surely, 2^11103540400 is an apocalyptic number.

11103540400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11103540400 is an abundant number, since it is smaller than the sum of its proper divisors (16024913000).

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

11103540400 is a wasteful number, since it uses less digits than its factorization.

11103540400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470566 (or 470555 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The spelling of 11103540400 in words is "eleven billion, one hundred three million, five hundred forty thousand, four hundred".