11047481449 has 3 divisors (see below), whose sum is σ = 11047586557. Its totient is φ = 11047376342.

The previous prime is 11047481443. The next prime is 11047481483. The reversal of 11047481449 is 94418474011.

The square root of 11047481449 is 105107.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 11047481449 - 2³ = 11047481441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11047481441) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 52554 + ... + 157660.

Almost surely, 2^11047481449 is an apocalyptic number.

11047481449 is the 105107-th square number.

11047481449 is the 52554-th centered octagonal number.

It is an amenable number.

11047481449 is a deficient number, since it is larger than the sum of its proper divisors (105108).

11047481449 is an frugal number, since it uses more digits than its factorization.

11047481449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210214 (or 105107 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 11047481449 in words is "eleven billion, forty-seven million, four hundred eighty-one thousand, four hundred forty-nine".