11185134479 has 12 divisors (see below), whose sum is σ = 11868934896. Its totient is φ = 10504252032.

The previous prime is 11185134473. The next prime is 11185134487. The reversal of 11185134479 is 97443158111.

It is not a de Polignac number, because 11185134479 - 2³² = 6890167183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11185134473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7248182 + ... + 7249724.

It is an arithmetic number, because the mean of its divisors is an integer number (989077908).

Almost surely, 2^11185134479 is an apocalyptic number.

11185134479 is a deficient number, since it is larger than the sum of its proper divisors (683800417).

11185134479 is an frugal number, since it uses more digits than its factorization.

11185134479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866 (or 2213 counting only the distinct ones).

The product of its digits is 120960, while the sum is 44.

The spelling of 11185134479 in words is "eleven billion, one hundred eighty-five million, one hundred thirty-four thousand, four hundred seventy-nine".