11200556784 has 80 divisors (see below), whose sum is σ = 29960716320. Its totient is φ = 3601382400.

The previous prime is 11200556683. The next prime is 11200556803. The reversal of 11200556784 is 48765500211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1774434 + ... + 1780734.

It is an arithmetic number, because the mean of its divisors is an integer number (374508954).

Almost surely, 2^11200556784 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 11200556784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14980358160).

11200556784 is an abundant number, since it is smaller than the sum of its proper divisors (18760159536).

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

11200556784 is a wasteful number, since it uses less digits than its factorization.

11200556784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7618 (or 7612 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The spelling of 11200556784 in words is "eleven billion, two hundred million, five hundred fifty-six thousand, seven hundred eighty-four".