111228455679 has 16 divisors (see below), whose sum is σ = 161831576064. Its totient is φ = 67392547200.

The previous prime is 111228455677. The next prime is 111228455771. The reversal of 111228455679 is 976554822111.

It is not a de Polignac number, because 111228455679 - 2¹ = 111228455677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111228455677) 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, 344314 + ... + 583959.

It is an arithmetic number, because the mean of its divisors is an integer number (10114473504).

Almost surely, 2^111228455679 is an apocalyptic number.

111228455679 is a deficient number, since it is larger than the sum of its proper divisors (50603120385).

111228455679 is a wasteful number, since it uses less digits than its factorization.

111228455679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931918.

The product of its digits is 1209600, while the sum is 51.

The spelling of 111228455679 in words is "one hundred eleven billion, two hundred twenty-eight million, four hundred fifty-five thousand, six hundred seventy-nine".