1115505219 has 16 divisors (see below), whose sum is σ = 1566723200. Its totient is φ = 704033856.

The previous prime is 1115505203. The next prime is 1115505227. The reversal of 1115505219 is 9125055111.

It is not a de Polignac number, because 1115505219 - 2⁴ = 1115505203 is a prime.

It is a super-2 number, since 2×1115505219² = 2488703787232475922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115505229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85632 + ... + 97794.

It is an arithmetic number, because the mean of its divisors is an integer number (97920200).

Almost surely, 2^1115505219 is an apocalyptic number.

1115505219 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1115505219 is a deficient number, since it is larger than the sum of its proper divisors (451217981).

1115505219 is a wasteful number, since it uses less digits than its factorization.

1115505219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13794.

The product of its (nonzero) digits is 2250, while the sum is 30.

The square root of 1115505219 is about 33399.1799150817. The cubic root of 1115505219 is about 1037.1077242314.

The spelling of 1115505219 in words is "one billion, one hundred fifteen million, five hundred five thousand, two hundred nineteen".