11434543448 has 8 divisors (see below), whose sum is σ = 21439768980. Its totient is φ = 5717271720.

The previous prime is 11434543447. The next prime is 11434543453. The reversal of 11434543448 is 84434543411.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11434543447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714658958 + ... + 714658973.

Almost surely, 2^11434543448 is an apocalyptic number.

It is an amenable number.

11434543448 is a deficient number, since it is larger than the sum of its proper divisors (10005225532).

11434543448 is a wasteful number, since it uses less digits than its factorization.

11434543448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429317937 (or 1429317933 counting only the distinct ones).

The product of its digits is 368640, while the sum is 41.

The spelling of 11434543448 in words is "eleven billion, four hundred thirty-four million, five hundred forty-three thousand, four hundred forty-eight".