11448491800321 has 4 divisors (see below), whose sum is σ = 11448502267972. Its totient is φ = 11448481332672.

The previous prime is 11448491800259. The next prime is 11448491800393. The reversal of 11448491800321 is 12300819484411.

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 can be written as a sum of positive squares in 2 ways, for example, as 4266434836225 + 7182056964096 = 2065535^2 + 2679936^2 .

It is a cyclic number.

It is not a de Polignac number, because 11448491800321 - 2²⁹ = 11447954929409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11448491806321) 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, 3372660 + ... + 5854213.

It is an arithmetic number, because the mean of its divisors is an integer number (2862125566993).

Almost surely, 2^{11448491800321} is an apocalyptic number.

It is an amenable number.

11448491800321 is a deficient number, since it is larger than the sum of its proper divisors (10467651).

11448491800321 is an equidigital number, since it uses as much as digits as its factorization.

11448491800321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10467650.

The product of its (nonzero) digits is 221184, while the sum is 46.

The spelling of 11448491800321 in words is "eleven trillion, four hundred forty-eight billion, four hundred ninety-one million, eight hundred thousand, three hundred twenty-one".