111234455579 has 4 divisors (see below), whose sum is σ = 119790952176. Its totient is φ = 102677958984.

The previous prime is 111234455467. The next prime is 111234455581. The reversal of 111234455579 is 975554432111.

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 111234455579 - 2¹² = 111234451483 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (111234455279) 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, 4278248279 + ... + 4278248304.

It is an arithmetic number, because the mean of its divisors is an integer number (29947738044).

Almost surely, 2^111234455579 is an apocalyptic number.

111234455579 is a deficient number, since it is larger than the sum of its proper divisors (8556496597).

111234455579 is an equidigital number, since it uses as much as digits as its factorization.

111234455579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8556496596.

The product of its digits is 756000, while the sum is 47.

The spelling of 111234455579 in words is "one hundred eleven billion, two hundred thirty-four million, four hundred fifty-five thousand, five hundred seventy-nine".