11194973711 has 4 divisors (see below), whose sum is σ = 11195199672. Its totient is φ = 11194747752.

The previous prime is 11194973689. The next prime is 11194973719. The reversal of 11194973711 is 11737949111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11737949111 = 7 ⋅1676849873.

It is a cyclic number.

It is not a de Polignac number, because 11194973711 - 2¹⁴ = 11194957327 is a prime.

It is a super-2 number, since 2×11194973711² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11194973719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2936 + ... + 149661.

It is an arithmetic number, because the mean of its divisors is an integer number (2798799918).

Almost surely, 2^11194973711 is an apocalyptic number.

11194973711 is a deficient number, since it is larger than the sum of its proper divisors (225961).

11194973711 is an equidigital number, since it uses as much as digits as its factorization.

11194973711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225960.

The product of its digits is 47628, while the sum is 44.

The spelling of 11194973711 in words is "eleven billion, one hundred ninety-four million, nine hundred seventy-three thousand, seven hundred eleven".