11214440453 has 4 divisors (see below), whose sum is σ = 11214653280. Its totient is φ = 11214227628.

The previous prime is 11214440443. The next prime is 11214440459. The reversal of 11214440453 is 35404441211.

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 11214440453 - 2⁸ = 11214440197 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 (11214440459) 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, 37526 + ... + 154392.

It is an arithmetic number, because the mean of its divisors is an integer number (2803663320).

Almost surely, 2^11214440453 is an apocalyptic number.

It is an amenable number.

11214440453 is a deficient number, since it is larger than the sum of its proper divisors (212827).

11214440453 is an equidigital number, since it uses as much as digits as its factorization.

11214440453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212826.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 11214440453 its reverse (35404441211), we get a palindrome (46618881664).

The spelling of 11214440453 in words is "eleven billion, two hundred fourteen million, four hundred forty thousand, four hundred fifty-three".