11146473441 has 24 divisors (see below), whose sum is σ = 16329161160. Its totient is φ = 7325531136.

The previous prime is 11146473439. The next prime is 11146473497. The reversal of 11146473441 is 14437464111.

11146473441 is a `hidden beast` number, since 1 + 1 + 1 + 4 + 647 + 3 + 4 + 4 + 1 = 666.

11146473441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7361640000 + 3784833441 = 85800^2 + 61521^2 .

It is not a de Polignac number, because 11146473441 - 2¹ = 11146473439 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11146473396 and 11146473405.

It is not an unprimeable number, because it can be changed into a prime (11146473431) 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, 2137245 + ... + 2142453.

It is an arithmetic number, because the mean of its divisors is an integer number (680381715).

Almost surely, 2^11146473441 is an apocalyptic number.

It is an amenable number.

11146473441 is a deficient number, since it is larger than the sum of its proper divisors (5182687719).

11146473441 is a wasteful number, since it uses less digits than its factorization.

11146473441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8545 (or 8542 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The spelling of 11146473441 in words is "eleven billion, one hundred forty-six million, four hundred seventy-three thousand, four hundred forty-one".