11938205894 has 8 divisors (see below), whose sum is σ = 18849798840. Its totient is φ = 5654939616.

The previous prime is 11938205879. The next prime is 11938205897. The reversal of 11938205894 is 49850283911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11938205897) 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, 157081619 + ... + 157081694.

It is an arithmetic number, because the mean of its divisors is an integer number (2356224855).

Almost surely, 2^11938205894 is an apocalyptic number.

11938205894 is a deficient number, since it is larger than the sum of its proper divisors (6911592946).

11938205894 is a wasteful number, since it uses less digits than its factorization.

11938205894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314163334.

The product of its (nonzero) digits is 622080, while the sum is 50.

The spelling of 11938205894 in words is "eleven billion, nine hundred thirty-eight million, two hundred five thousand, eight hundred ninety-four".