11321346447453 has 16 divisors (see below), whose sum is σ = 17253369336320. Its totient is φ = 6468668153136.

The previous prime is 11321346447419. The next prime is 11321346447469. The reversal of 11321346447453 is 35474464312311.

It is a happy number.

It is not a de Polignac number, because 11321346447453 - 2¹³ = 11321346439261 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 (11321346447353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27821275 + ... + 28225272.

It is an arithmetic number, because the mean of its divisors is an integer number (1078335583520).

Almost surely, 2^{11321346447453} is an apocalyptic number.

It is an amenable number.

11321346447453 is a deficient number, since it is larger than the sum of its proper divisors (5932022888867).

11321346447453 is an equidigital number, since it uses as much as digits as its factorization.

11321346447453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56056176.

The product of its digits is 2903040, while the sum is 48.

The spelling of 11321346447453 in words is "eleven trillion, three hundred twenty-one billion, three hundred forty-six million, four hundred forty-seven thousand, four hundred fifty-three".