11053209973 has 4 divisors (see below), whose sum is σ = 11903456908. Its totient is φ = 10202963040.

The previous prime is 11053209971. The next prime is 11053209977. The reversal of 11053209973 is 37990235011.

11053209973 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2396396209 + 8656813764 = 48953^2 + 93042^2 .

It is a cyclic number.

It is not a de Polignac number, because 11053209973 - 2¹ = 11053209971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11053209971) 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, 425123448 + ... + 425123473.

It is an arithmetic number, because the mean of its divisors is an integer number (2975864227).

Almost surely, 2^11053209973 is an apocalyptic number.

11053209973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11053209973 is a deficient number, since it is larger than the sum of its proper divisors (850246935).

11053209973 is an equidigital number, since it uses as much as digits as its factorization.

11053209973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850246934.

The product of its (nonzero) digits is 51030, while the sum is 40.

The spelling of 11053209973 in words is "eleven billion, fifty-three million, two hundred nine thousand, nine hundred seventy-three".