11036656123 has 4 divisors (see below), whose sum is σ = 11145930048. Its totient is φ = 10927382200.

The previous prime is 11036656117. The next prime is 11036656153. The reversal of 11036656123 is 32165663011.

11036656123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11036656123 - 2⁵ = 11036656091 is a prime.

It is a super-2 number, since 2×11036656123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11036656153) 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 3 ways as a sum of consecutive naturals, for example, 54636811 + ... + 54637012.

It is an arithmetic number, because the mean of its divisors is an integer number (2786482512).

Almost surely, 2^11036656123 is an apocalyptic number.

11036656123 is a deficient number, since it is larger than the sum of its proper divisors (109273925).

11036656123 is a wasteful number, since it uses less digits than its factorization.

11036656123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109273924.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 11036656123 in words is "eleven billion, thirty-six million, six hundred fifty-six thousand, one hundred twenty-three".