11165857923 has 8 divisors (see below), whose sum is σ = 16241247936. Its totient is φ = 6767186600.

The previous prime is 11165857903. The next prime is 11165857931. The reversal of 11165857923 is 32975856111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11165857923 - 2⁹ = 11165857411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11165857903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169179633 + ... + 169179698.

It is an arithmetic number, because the mean of its divisors is an integer number (2030155992).

Almost surely, 2^11165857923 is an apocalyptic number.

11165857923 is a deficient number, since it is larger than the sum of its proper divisors (5075390013).

11165857923 is a wasteful number, since it uses less digits than its factorization.

11165857923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338359345.

The product of its digits is 453600, while the sum is 48.

The spelling of 11165857923 in words is "eleven billion, one hundred sixty-five million, eight hundred fifty-seven thousand, nine hundred twenty-three".