188738051195 has 4 divisors (see below), whose sum is σ = 226485661440. Its totient is φ = 150990440952.

The previous prime is 188738051191. The next prime is 188738051209. The reversal of 188738051195 is 591150837881.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 188738051195 - 2² = 188738051191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 188738051195.

It is not an unprimeable number, because it can be changed into a prime (188738051191) 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, 18873805115 + ... + 18873805124.

It is an arithmetic number, because the mean of its divisors is an integer number (56621415360).

Almost surely, 2^188738051195 is an apocalyptic number.

188738051195 is a deficient number, since it is larger than the sum of its proper divisors (37747610245).

188738051195 is an equidigital number, since it uses as much as digits as its factorization.

188738051195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37747610244.

The product of its (nonzero) digits is 2419200, while the sum is 56.

The spelling of 188738051195 in words is "one hundred eighty-eight billion, seven hundred thirty-eight million, fifty-one thousand, one hundred ninety-five".