11447000003447 has 4 divisors (see below), whose sum is σ = 11451856603176. Its totient is φ = 11442143403720.

The previous prime is 11447000003441. The next prime is 11447000003503. The reversal of 11447000003447 is 74430000074411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11447000003447 - 2²⁰ = 11446998954871 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 (11447000003441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2428296329 + ... + 2428301042.

It is an arithmetic number, because the mean of its divisors is an integer number (2862964150794).

Almost surely, 2^{11447000003447} is an apocalyptic number.

11447000003447 is a deficient number, since it is larger than the sum of its proper divisors (4856599729).

11447000003447 is an equidigital number, since it uses as much as digits as its factorization.

11447000003447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4856599728.

The product of its (nonzero) digits is 37632, while the sum is 35.

Adding to 11447000003447 its reverse (74430000074411), we get a palindrome (85877000077858).

The spelling of 11447000003447 in words is "eleven trillion, four hundred forty-seven billion, three thousand, four hundred forty-seven".