11553005441 has 4 divisors (see below), whose sum is σ = 11561125632. Its totient is φ = 11544885252.

The previous prime is 11553005389. The next prime is 11553005447. The reversal of 11553005441 is 14450035511.

11553005441 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 an emirpimes, since its reverse is a distinct semiprime: 14450035511 = 36389 ⋅397099.

It is a cyclic number.

It is not a de Polignac number, because 11553005441 - 2¹⁰ = 11553004417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11553005447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4057961 + ... + 4060806.

It is an arithmetic number, because the mean of its divisors is an integer number (2890281408).

Almost surely, 2^11553005441 is an apocalyptic number.

It is an amenable number.

11553005441 is a deficient number, since it is larger than the sum of its proper divisors (8120191).

11553005441 is an equidigital number, since it uses as much as digits as its factorization.

11553005441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8120190.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 11553005441 in words is "eleven billion, five hundred fifty-three million, five thousand, four hundred forty-one".