11112223345679 has 4 divisors (see below), whose sum is σ = 11119053232584. Its totient is φ = 11105393458776.

The previous prime is 11112223345669. The next prime is 11112223345709. The reversal of 11112223345679 is 97654332221111.

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 11112223345679 - 2²⁰ = 11112222297103 is a prime.

It is a Duffinian number.

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 (11112223345669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3414941012 + ... + 3414944265.

It is an arithmetic number, because the mean of its divisors is an integer number (2779763308146).

Almost surely, 2^{11112223345679} is an apocalyptic number.

11112223345679 is a deficient number, since it is larger than the sum of its proper divisors (6829886905).

11112223345679 is an equidigital number, since it uses as much as digits as its factorization.

11112223345679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6829886904.

The product of its digits is 544320, while the sum is 47.

The spelling of 11112223345679 in words is "eleven trillion, one hundred twelve billion, two hundred twenty-three million, three hundred forty-five thousand, six hundred seventy-nine".