11478294443 has 12 divisors (see below), whose sum is σ = 14566147992. Its totient is φ = 8944125120.

The previous prime is 11478294439. The next prime is 11478294461. The reversal of 11478294443 is 34449287411.

It is not a de Polignac number, because 11478294443 - 2² = 11478294439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11478294473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10647230 + ... + 10648307.

It is an arithmetic number, because the mean of its divisors is an integer number (1213845666).

Almost surely, 2^11478294443 is an apocalyptic number.

11478294443 is a deficient number, since it is larger than the sum of its proper divisors (3087853549).

11478294443 is a wasteful number, since it uses less digits than its factorization.

11478294443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21295562 (or 21295555 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The spelling of 11478294443 in words is "eleven billion, four hundred seventy-eight million, two hundred ninety-four thousand, four hundred forty-three".