1111223456679 has 16 divisors (see below), whose sum is σ = 1792898350848. Its totient is φ = 597632783232.

The previous prime is 1111223456669. The next prime is 1111223456701. The reversal of 1111223456679 is 9766543221111.

It is not a de Polignac number, because 1111223456679 - 2⁴ = 1111223456663 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 (1111223456669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1556335017 + ... + 1556335730.

It is an arithmetic number, because the mean of its divisors is an integer number (112056146928).

Almost surely, 2^{1111223456679} is an apocalyptic number.

1111223456679 is a deficient number, since it is larger than the sum of its proper divisors (681674894169).

1111223456679 is a wasteful number, since it uses less digits than its factorization.

1111223456679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112670774.

The product of its digits is 544320, while the sum is 48.

The spelling of 1111223456679 in words is "one trillion, one hundred eleven billion, two hundred twenty-three million, four hundred fifty-six thousand, six hundred seventy-nine".