11047644032 has 64 divisors (see below), whose sum is σ = 22510828800. Its totient is φ = 5398224384.

The previous prime is 11047644029. The next prime is 11047644037. The reversal of 11047644032 is 23044674011.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 11047644032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11047644037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6995819 + ... + 6997397.

It is an arithmetic number, because the mean of its divisors is an integer number (351731700).

Almost surely, 2^11047644032 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 11047644032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11255414400).

11047644032 is an abundant number, since it is smaller than the sum of its proper divisors (11463184768).

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

11047644032 is a wasteful number, since it uses less digits than its factorization.

11047644032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803 (or 2791 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 11047644032 in words is "eleven billion, forty-seven million, six hundred forty-four thousand, thirty-two".