11948169194 has 72 divisors (see below), whose sum is σ = 20839153860. Its totient is φ = 5136648192.

The previous prime is 11948169193. The next prime is 11948169199. The reversal of 11948169194 is 49196184911.

It is a happy number.

11948169194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 18 ways, for example, as 5363658169 + 6584511025 = 73237^2 + 81145^2 .

It is not an unprimeable number, because it can be changed into a prime (11948169193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 123176954 + ... + 123177050.

Almost surely, 2^11948169194 is an apocalyptic number.

11948169194 is a deficient number, since it is larger than the sum of its proper divisors (8890984666).

11948169194 is an frugal number, since it uses more digits than its factorization.

11948169194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 129 counting only the distinct ones).

The product of its digits is 559872, while the sum is 53.

The spelling of 11948169194 in words is "eleven billion, nine hundred forty-eight million, one hundred sixty-nine thousand, one hundred ninety-four".