111678455679 has 32 divisors (see below), whose sum is σ = 173213614080. Its totient is φ = 62679324000.

The previous prime is 111678455677. The next prime is 111678455689. The reversal of 111678455679 is 976554876111.

It is not a de Polignac number, because 111678455679 - 2¹ = 111678455677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111678455677) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1386934 + ... + 1465244.

It is an arithmetic number, because the mean of its divisors is an integer number (5412925440).

Almost surely, 2^111678455679 is an apocalyptic number.

111678455679 is a deficient number, since it is larger than the sum of its proper divisors (61535158401).

111678455679 is a wasteful number, since it uses less digits than its factorization.

111678455679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79531.

The product of its digits is 12700800, while the sum is 60.

The spelling of 111678455679 in words is "one hundred eleven billion, six hundred seventy-eight million, four hundred fifty-five thousand, six hundred seventy-nine".