11279173732 has 12 divisors (see below), whose sum is σ = 19753781740. Its totient is φ = 5635236096.

The previous prime is 11279173681. The next prime is 11279173751. The reversal of 11279173732 is 23737197211.

It can be written as a sum of positive squares in 2 ways, for example, as 10618478116 + 660695616 = 103046^2 + 25704^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081857 + ... + 1092232.

Almost surely, 2^11279173732 is an apocalyptic number.

It is an amenable number.

11279173732 is a deficient number, since it is larger than the sum of its proper divisors (8474608008).

11279173732 is a wasteful number, since it uses less digits than its factorization.

11279173732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175390 (or 2175388 counting only the distinct ones).

The product of its digits is 111132, while the sum is 43.

The spelling of 11279173732 in words is "eleven billion, two hundred seventy-nine million, one hundred seventy-three thousand, seven hundred thirty-two".