11133524421 has 12 divisors (see below), whose sum is σ = 16145831520. Its totient is φ = 7392777000.

The previous prime is 11133524387. The next prime is 11133524429. The reversal of 11133524421 is 12442533111.

11133524421 is a `hidden beast` number, since 1 + 1 + 133 + 524 + 4 + 2 + 1 = 666.

11133524421 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 11133524421 - 2¹⁴ = 11133508037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133524429) 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 11 ways as a sum of consecutive naturals, for example, 2462001 + ... + 2466518.

It is an arithmetic number, because the mean of its divisors is an integer number (1345485960).

Almost surely, 2^11133524421 is an apocalyptic number.

It is an amenable number.

11133524421 is a deficient number, since it is larger than the sum of its proper divisors (5012307099).

11133524421 is a wasteful number, since it uses less digits than its factorization.

11133524421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4928776 (or 4928773 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The spelling of 11133524421 in words is "eleven billion, one hundred thirty-three million, five hundred twenty-four thousand, four hundred twenty-one".