11123456679 has 16 divisors (see below), whose sum is σ = 16483404000. Its totient is φ = 7413743808.

The previous prime is 11123456621. The next prime is 11123456683. The reversal of 11123456679 is 97665432111.

11123456679 is a `hidden beast` number, since 1 + 1 + 12 + 3 + 4 + 566 + 79 = 666.

11123456679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11123456679 - 2⁸ = 11123456423 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123456479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59397 + ... + 160545.

It is an arithmetic number, because the mean of its divisors is an integer number (1030212750).

Almost surely, 2^11123456679 is an apocalyptic number.

11123456679 is a deficient number, since it is larger than the sum of its proper divisors (5359947321).

11123456679 is a wasteful number, since it uses less digits than its factorization.

11123456679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105231 (or 105225 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The spelling of 11123456679 in words is "eleven billion, one hundred twenty-three million, four hundred fifty-six thousand, six hundred seventy-nine".