111056435405 has 4 divisors (see below), whose sum is σ = 133267722492. Its totient is φ = 88845148320.

The previous prime is 111056435389. The next prime is 111056435459. The reversal of 111056435405 is 504534650111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16548764164 + 94507671241 = 128642^2 + 307421^2 .

It is not a de Polignac number, because 111056435405 - 2⁴ = 111056435389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11105643536 + ... + 11105643545.

It is an arithmetic number, because the mean of its divisors is an integer number (33316930623).

Almost surely, 2^111056435405 is an apocalyptic number.

It is an amenable number.

111056435405 is a deficient number, since it is larger than the sum of its proper divisors (22211287087).

111056435405 is an equidigital number, since it uses as much as digits as its factorization.

111056435405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22211287086.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 111056435405 in words is "one hundred eleven billion, fifty-six million, four hundred thirty-five thousand, four hundred five".