11177165123 has 16 divisors (see below), whose sum is σ = 12230637120. Its totient is φ = 10181090304.

The previous prime is 11177165113. The next prime is 11177165173. The reversal of 11177165123 is 32156177111.

It is a cyclic number.

It is not a de Polignac number, because 11177165123 - 2⁴ = 11177165107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11177165113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66086 + ... + 163467.

It is an arithmetic number, because the mean of its divisors is an integer number (764414820).

Almost surely, 2^11177165123 is an apocalyptic number.

11177165123 is a deficient number, since it is larger than the sum of its proper divisors (1053471997).

11177165123 is a wasteful number, since it uses less digits than its factorization.

11177165123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229678.

The product of its digits is 8820, while the sum is 35.

The spelling of 11177165123 in words is "eleven billion, one hundred seventy-seven million, one hundred sixty-five thousand, one hundred twenty-three".