11788945673 has 4 divisors (see below), whose sum is σ = 11789387268. Its totient is φ = 11788504080.

The previous prime is 11788945633. The next prime is 11788945699. The reversal of 11788945673 is 37654988711.

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 4479892624 + 7309053049 = 66932^2 + 85493^2 .

It is a cyclic number.

It is not a de Polignac number, because 11788945673 - 2²⁰ = 11787897097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11788945633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177986 + ... + 235067.

It is an arithmetic number, because the mean of its divisors is an integer number (2947346817).

Almost surely, 2^11788945673 is an apocalyptic number.

It is an amenable number.

11788945673 is a deficient number, since it is larger than the sum of its proper divisors (441595).

11788945673 is an equidigital number, since it uses as much as digits as its factorization.

11788945673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441594.

The product of its digits is 10160640, while the sum is 59.

The spelling of 11788945673 in words is "eleven billion, seven hundred eighty-eight million, nine hundred forty-five thousand, six hundred seventy-three".