11734403784 has 32 divisors (see below), whose sum is σ = 29461929120. Its totient is φ = 3894678656.

The previous prime is 11734403783. The next prime is 11734403809. The reversal of 11734403784 is 48730443711.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11734403783) 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, 1043622 + ... + 1054805.

It is an arithmetic number, because the mean of its divisors is an integer number (920685285).

Almost surely, 2^11734403784 is an apocalyptic number.

It is an amenable number.

11734403784 is an abundant number, since it is smaller than the sum of its proper divisors (17727525336).

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

11734403784 is a wasteful number, since it uses less digits than its factorization.

11734403784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098669 (or 2098665 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 11734403784 in words is "eleven billion, seven hundred thirty-four million, four hundred three thousand, seven hundred eighty-four".