11194158394 has 4 divisors (see below), whose sum is σ = 16791237594. Its totient is φ = 5597079196.

The previous prime is 11194158361. The next prime is 11194158403. The reversal of 11194158394 is 49385149111.

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

It can be written as a sum of positive squares in only one way, i.e., 9503715169 + 1690443225 = 97487^2 + 41115^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2798539597 + ... + 2798539600.

Almost surely, 2^11194158394 is an apocalyptic number.

11194158394 is a deficient number, since it is larger than the sum of its proper divisors (5597079200).

11194158394 is an equidigital number, since it uses as much as digits as its factorization.

11194158394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5597079199.

The product of its digits is 155520, while the sum is 46.

The spelling of 11194158394 in words is "eleven billion, one hundred ninety-four million, one hundred fifty-eight thousand, three hundred ninety-four".