11194396249 has 4 divisors (see below), whose sum is σ = 11852890164. Its totient is φ = 10535902336.

The previous prime is 11194396223. The next prime is 11194396303. The reversal of 11194396249 is 94269349111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94269349111 = 7 ⋅13467049873.

It can be written as a sum of positive squares in 2 ways, for example, as 3619827225 + 7574569024 = 60165^2 + 87032^2 .

It is a cyclic number.

It is not a de Polignac number, because 11194396249 - 2¹⁹ = 11193871961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11194396349) 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, 329246932 + ... + 329246965.

It is an arithmetic number, because the mean of its divisors is an integer number (2963222541).

Almost surely, 2^11194396249 is an apocalyptic number.

It is an amenable number.

11194396249 is a deficient number, since it is larger than the sum of its proper divisors (658493915).

11194396249 is an equidigital number, since it uses as much as digits as its factorization.

11194396249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658493914.

The product of its digits is 419904, while the sum is 49.

The spelling of 11194396249 in words is "eleven billion, one hundred ninety-four million, three hundred ninety-six thousand, two hundred forty-nine".