11335421323553 has 4 divisors (see below), whose sum is σ = 11335428306480. Its totient is φ = 11335414340628.

The previous prime is 11335421323547. The next prime is 11335421323561. The reversal of 11335421323553 is 35532312453311.

11335421323553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11335421323553 - 2⁴⁰ = 10235909695777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11335421323553.

It is not an unprimeable number, because it can be changed into a prime (11335421323543) 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, 358826 + ... + 4774892.

It is an arithmetic number, because the mean of its divisors is an integer number (2833857076620).

Almost surely, 2^{11335421323553} is an apocalyptic number.

It is an amenable number.

11335421323553 is a deficient number, since it is larger than the sum of its proper divisors (6982927).

11335421323553 is an equidigital number, since it uses as much as digits as its factorization.

11335421323553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6982926.

The product of its digits is 486000, while the sum is 41.

Adding to 11335421323553 its reverse (35532312453311), we get a palindrome (46867733776864).

The spelling of 11335421323553 in words is "eleven trillion, three hundred thirty-five billion, four hundred twenty-one million, three hundred twenty-three thousand, five hundred fifty-three".