11133531441 has 24 divisors (see below), whose sum is σ = 17036040320. Its totient is φ = 6986899296.

The previous prime is 11133531413. The next prime is 11133531529. The reversal of 11133531441 is 14413533111.

11133531441 is a `hidden beast` number, since 1 + 11 + 335 + 314 + 4 + 1 = 666.

11133531441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11133531441 - 2⁷ = 11133531313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11133531641) 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 23 ways as a sum of consecutive naturals, for example, 180505 + ... + 234198.

Almost surely, 2^11133531441 is an apocalyptic number.

It is an amenable number.

11133531441 is a deficient number, since it is larger than the sum of its proper divisors (5902508879).

11133531441 is a wasteful number, since it uses less digits than its factorization.

11133531441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414885 (or 414882 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The spelling of 11133531441 in words is "eleven billion, one hundred thirty-three million, five hundred thirty-one thousand, four hundred forty-one".