11123162105 has 32 divisors (see below), whose sum is σ = 14822611200. Its totient is φ = 7945235200.

The previous prime is 11123162027. The next prime is 11123162177. The reversal of 11123162105 is 50126132111.

It is a de Polignac number, because none of the positive numbers 2^k-11123162105 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1045151 + ... + 1055739.

It is an arithmetic number, because the mean of its divisors is an integer number (463206600).

Almost surely, 2^11123162105 is an apocalyptic number.

It is an amenable number.

11123162105 is a deficient number, since it is larger than the sum of its proper divisors (3699449095).

11123162105 is a wasteful number, since it uses less digits than its factorization.

11123162105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10945.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 11123162105 its reverse (50126132111), we get a palindrome (61249294216).

The spelling of 11123162105 in words is "eleven billion, one hundred twenty-three million, one hundred sixty-two thousand, one hundred five".