11728104194 has 32 divisors (see below), whose sum is σ = 19281525120. Its totient is φ = 5325413632.

The previous prime is 11728104181. The next prime is 11728104197. The reversal of 11728104194 is 49140182711.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11728104197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2208947 + ... + 2214249.

It is an arithmetic number, because the mean of its divisors is an integer number (602547660).

Almost surely, 2^11728104194 is an apocalyptic number.

11728104194 is a deficient number, since it is larger than the sum of its proper divisors (7553420926).

11728104194 is a wasteful number, since it uses less digits than its factorization.

11728104194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7594.

The product of its (nonzero) digits is 16128, while the sum is 38.

The spelling of 11728104194 in words is "eleven billion, seven hundred twenty-eight million, one hundred four thousand, one hundred ninety-four".