11448715506805 has 4 divisors (see below), whose sum is σ = 13738458608172. Its totient is φ = 9158972405440.

The previous prime is 11448715506803. The next prime is 11448715506859. The reversal of 11448715506805 is 50860551784411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8587607533444 + 2861107973361 = 2930462^2 + 1691481^2 .

It is not a de Polignac number, because 11448715506805 - 2¹ = 11448715506803 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 (11448715506803) 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, 1144871550676 + ... + 1144871550685.

It is an arithmetic number, because the mean of its divisors is an integer number (3434614652043).

Almost surely, 2^{11448715506805} is an apocalyptic number.

It is an amenable number.

11448715506805 is a deficient number, since it is larger than the sum of its proper divisors (2289743101367).

11448715506805 is an equidigital number, since it uses as much as digits as its factorization.

11448715506805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289743101366.

The product of its (nonzero) digits is 5376000, while the sum is 55.

The spelling of 11448715506805 in words is "eleven trillion, four hundred forty-eight billion, seven hundred fifteen million, five hundred six thousand, eight hundred five".