11123345679 has 8 divisors (see below), whose sum is σ = 15009816192. Its totient is φ = 7326219480.

The previous prime is 11123345671. The next prime is 11123345683. The reversal of 11123345679 is 97654332111.

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

It is not a de Polignac number, because 11123345679 - 2³ = 11123345671 is a prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 11123345679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123345671) 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, 22335787 + ... + 22336284.

It is an arithmetic number, because the mean of its divisors is an integer number (1876227024).

Almost surely, 2^11123345679 is an apocalyptic number.

11123345679 is a deficient number, since it is larger than the sum of its proper divisors (3886470513).

11123345679 is an equidigital number, since it uses as much as digits as its factorization.

11123345679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44672157.

The product of its digits is 136080, while the sum is 42.

The spelling of 11123345679 in words is "eleven billion, one hundred twenty-three million, three hundred forty-five thousand, six hundred seventy-nine".