11112233455679 has 8 divisors (see below), whose sum is σ = 11612586374400. Its totient is φ = 10622877304536.

The previous prime is 11112233455651. The next prime is 11112233455691. The reversal of 11112233455679 is 97655433221111.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11112233455679 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 (11112233455649) 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, 2749189829 + ... + 2749193870.

It is an arithmetic number, because the mean of its divisors is an integer number (1451573296800).

Almost surely, 2^{11112233455679} is an apocalyptic number.

11112233455679 is a deficient number, since it is larger than the sum of its proper divisors (500352918721).

11112233455679 is an equidigital number, since it uses as much as digits as its factorization.

11112233455679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5498383789.

The product of its digits is 1360800, while the sum is 50.

The spelling of 11112233455679 in words is "eleven trillion, one hundred twelve billion, two hundred thirty-three million, four hundred fifty-five thousand, six hundred seventy-nine".