11047203712 has 48 divisors (see below), whose sum is σ = 22186903320. Its totient is φ = 5479084800.

The previous prime is 11047203589. The next prime is 11047203781. The reversal of 11047203712 is 21730274011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2061837 + ... + 2067187.

Almost surely, 2^11047203712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11047203712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11093451660).

11047203712 is an abundant number, since it is smaller than the sum of its proper divisors (11139699608).

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

11047203712 is an frugal number, since it uses more digits than its factorization.

11047203712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5619 (or 5480 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

Adding to 11047203712 its reverse (21730274011), we get a palindrome (32777477723).

The spelling of 11047203712 in words is "eleven billion, forty-seven million, two hundred three thousand, seven hundred twelve".