111100660679 has 4 divisors (see below), whose sum is σ = 111182293680. Its totient is φ = 111019027680.

The previous prime is 111100660669. The next prime is 111100660681. The reversal of 111100660679 is 976066001111.

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 111100660679 - 2⁴ = 111100660663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100660669) 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, 40814459 + ... + 40817180.

It is an arithmetic number, because the mean of its divisors is an integer number (27795573420).

Almost surely, 2^111100660679 is an apocalyptic number.

111100660679 is a deficient number, since it is larger than the sum of its proper divisors (81633001).

111100660679 is an equidigital number, since it uses as much as digits as its factorization.

111100660679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81633000.

The product of its (nonzero) digits is 13608, while the sum is 38.

The spelling of 111100660679 in words is "one hundred eleven billion, one hundred million, six hundred sixty thousand, six hundred seventy-nine".