11804734447 has 16 divisors (see below), whose sum is σ = 13682390400. Its totient is φ = 10071721440.

The previous prime is 11804734393. The next prime is 11804734451. The reversal of 11804734447 is 74443740811.

It is a de Polignac number, because none of the positive numbers 2^k-11804734447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11804734477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241572 + ... + 286297.

It is an arithmetic number, because the mean of its divisors is an integer number (855149400).

Almost surely, 2^11804734447 is an apocalyptic number.

11804734447 is a deficient number, since it is larger than the sum of its proper divisors (1877655953).

11804734447 is a wasteful number, since it uses less digits than its factorization.

11804734447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528006.

The product of its (nonzero) digits is 301056, while the sum is 43.

The spelling of 11804734447 in words is "eleven billion, eight hundred four million, seven hundred thirty-four thousand, four hundred forty-seven".