1111105505 has 8 divisors (see below), whose sum is σ = 1391297472. Its totient is φ = 850237168.

The previous prime is 1111105493. The next prime is 1111105519. The reversal of 1111105505 is 5055011111.

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 1111105505 - 2¹⁰ = 1111104481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4830779 + ... + 4831008.

It is an arithmetic number, because the mean of its divisors is an integer number (173912184).

Almost surely, 2^1111105505 is an apocalyptic number.

It is an amenable number.

1111105505 is a deficient number, since it is larger than the sum of its proper divisors (280191967).

1111105505 is an equidigital number, since it uses as much as digits as its factorization.

1111105505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9661815.

The product of its (nonzero) digits is 125, while the sum is 20.

The square root of 1111105505 is about 33333.2492415606. The cubic root of 1111105505 is about 1035.7424266993.

Adding to 1111105505 its reverse (5055011111), we get a palindrome (6166116616).

The spelling of 1111105505 in words is "one billion, one hundred eleven million, one hundred five thousand, five hundred five".