11194802779 has 4 divisors (see below), whose sum is σ = 11203291440. Its totient is φ = 11186314120.

The previous prime is 11194802767. The next prime is 11194802783. The reversal of 11194802779 is 97720849111.

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 11194802779 - 2⁵ = 11194802747 is a prime.

It is a super-2 number, since 2×11194802779² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11194802279) 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, 4242352 + ... + 4244989.

It is an arithmetic number, because the mean of its divisors is an integer number (2800822860).

Almost surely, 2^11194802779 is an apocalyptic number.

11194802779 is a deficient number, since it is larger than the sum of its proper divisors (8488661).

11194802779 is an equidigital number, since it uses as much as digits as its factorization.

11194802779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8488660.

The product of its (nonzero) digits is 254016, while the sum is 49.

The spelling of 11194802779 in words is "eleven billion, one hundred ninety-four million, eight hundred two thousand, seven hundred seventy-nine".