11113205241553 has 4 divisors (see below), whose sum is σ = 11471695733248. Its totient is φ = 10754714749860.

The previous prime is 11113205241533. The next prime is 11113205241569. The reversal of 11113205241553 is 35514250231111.

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 11113205241553 - 2¹⁷ = 11113205110481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11113205241533) 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, 179245245801 + ... + 179245245862.

It is an arithmetic number, because the mean of its divisors is an integer number (2867923933312).

Almost surely, 2^{11113205241553} is an apocalyptic number.

It is an amenable number.

11113205241553 is a deficient number, since it is larger than the sum of its proper divisors (358490491695).

11113205241553 is an equidigital number, since it uses as much as digits as its factorization.

11113205241553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358490491694.

The product of its (nonzero) digits is 18000, while the sum is 34.

Adding to 11113205241553 its reverse (35514250231111), we get a palindrome (46627455472664).

The spelling of 11113205241553 in words is "eleven trillion, one hundred thirteen billion, two hundred five million, two hundred forty-one thousand, five hundred fifty-three".