11044505421 has 48 divisors (see below), whose sum is σ = 17307239040. Its totient is φ = 6763875840.

The previous prime is 11044505411. The next prime is 11044505467. The reversal of 11044505421 is 12450544011.

11044505421 is a `hidden beast` number, since 110 + 4 + 4 + 5 + 0 + 542 + 1 = 666.

11044505421 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 11044505421 - 2⁶ = 11044505357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11044505411) 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 47 ways as a sum of consecutive naturals, for example, 1166121 + ... + 1175553.

It is an arithmetic number, because the mean of its divisors is an integer number (360567480).

Almost surely, 2^11044505421 is an apocalyptic number.

It is an amenable number.

11044505421 is a deficient number, since it is larger than the sum of its proper divisors (6262733619).

11044505421 is a wasteful number, since it uses less digits than its factorization.

11044505421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9666 (or 9663 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The spelling of 11044505421 in words is "eleven billion, forty-four million, five hundred five thousand, four hundred twenty-one".