11440534453 has 4 divisors (see below), whose sum is σ = 11484034848. Its totient is φ = 11397034060.

The previous prime is 11440534447. The next prime is 11440534471. The reversal of 11440534453 is 35443504411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11440534453 - 2²⁵ = 11406980021 is a prime.

It is a super-3 number, since 3×11440534453³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11440534433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21749803 + ... + 21750328.

It is an arithmetic number, because the mean of its divisors is an integer number (2871008712).

Almost surely, 2^11440534453 is an apocalyptic number.

It is an amenable number.

11440534453 is a deficient number, since it is larger than the sum of its proper divisors (43500395).

11440534453 is an equidigital number, since it uses as much as digits as its factorization.

11440534453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43500394.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 11440534453 in words is "eleven billion, four hundred forty million, five hundred thirty-four thousand, four hundred fifty-three".