11673665053 has 4 divisors (see below), whose sum is σ = 11707114300. Its totient is φ = 11640215808.

The previous prime is 11673665027. The next prime is 11673665117. The reversal of 11673665053 is 35056637611.

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 5759747449 + 5913917604 = 75893^2 + 76902^2 .

It is a cyclic number.

It is not a de Polignac number, because 11673665053 - 2⁵ = 11673665021 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 (11673465053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16724100 + ... + 16724797.

It is an arithmetic number, because the mean of its divisors is an integer number (2926778575).

Almost surely, 2^11673665053 is an apocalyptic number.

It is an amenable number.

11673665053 is a deficient number, since it is larger than the sum of its proper divisors (33449247).

11673665053 is an equidigital number, since it uses as much as digits as its factorization.

11673665053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33449246.

The product of its (nonzero) digits is 340200, while the sum is 43.

The spelling of 11673665053 in words is "eleven billion, six hundred seventy-three million, six hundred sixty-five thousand, fifty-three".