111103811405 has 8 divisors (see below), whose sum is σ = 133344701592. Its totient is φ = 88869630528.

The previous prime is 111103811383. The next prime is 111103811411. The reversal of 111103811405 is 504118301111.

It can be written as a sum of positive squares in 4 ways, for example, as 47582404 + 111056229001 = 6898^2 + 333251^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111103811405 - 2¹⁶ = 111103745869 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 7 ways as a sum of consecutive naturals, for example, 1640822 + ... + 1707191.

It is an arithmetic number, because the mean of its divisors is an integer number (16668087699).

Almost surely, 2^111103811405 is an apocalyptic number.

It is an amenable number.

111103811405 is a deficient number, since it is larger than the sum of its proper divisors (22240890187).

111103811405 is an equidigital number, since it uses as much as digits as its factorization.

111103811405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3354655.

The product of its (nonzero) digits is 480, while the sum is 26.

The spelling of 111103811405 in words is "one hundred eleven billion, one hundred three million, eight hundred eleven thousand, four hundred five".