11031334400 has 60 divisors (see below), whose sum is σ = 27331024512. Its totient is φ = 4412528640.

The previous prime is 11031334399. The next prime is 11031334441. The reversal of 11031334400 is 443313011.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 418112 + ... + 443711.

Almost surely, 2^11031334400 is an apocalyptic number.

11031334400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11031334400 is an abundant number, since it is smaller than the sum of its proper divisors (16299690112).

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

11031334400 is an frugal number, since it uses more digits than its factorization.

11031334400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861851 (or 861830 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11031334400 its reverse (443313011), we get a palindrome (11474647411).

The spelling of 11031334400 in words is "eleven billion, thirty-one million, three hundred thirty-four thousand, four hundred".