11144441453 has 8 divisors (see below), whose sum is σ = 11291628600. Its totient is φ = 10997913600.

The previous prime is 11144441423. The next prime is 11144441489. The reversal of 11144441453 is 35414444111.

It can be written as a sum of positive squares in 4 ways, for example, as 3542868484 + 7601572969 = 59522^2 + 87187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11144441453 - 2⁸ = 11144441197 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 (11144441423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130748 + ... + 198453.

It is an arithmetic number, because the mean of its divisors is an integer number (1411453575).

Almost surely, 2^11144441453 is an apocalyptic number.

It is an amenable number.

11144441453 is a deficient number, since it is larger than the sum of its proper divisors (147187147).

11144441453 is an equidigital number, since it uses as much as digits as its factorization.

11144441453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329647.

The product of its digits is 15360, while the sum is 32.

Adding to 11144441453 its reverse (35414444111), we get a palindrome (46558885564).

The spelling of 11144441453 in words is "eleven billion, one hundred forty-four million, four hundred forty-one thousand, four hundred fifty-three".