1115306005 has 48 divisors (see below), whose sum is σ = 1529402112. Its totient is φ = 779644800.

The previous prime is 1115305991. The next prime is 1115306089. The reversal of 1115306005 is 5006035111.

It is not a de Polignac number, because 1115306005 - 2⁵ = 1115305973 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 (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1734214 + ... + 1734856.

It is an arithmetic number, because the mean of its divisors is an integer number (31862544).

Almost surely, 2^1115306005 is an apocalyptic number.

It is an amenable number.

1115306005 is a deficient number, since it is larger than the sum of its proper divisors (414096107).

1115306005 is a wasteful number, since it uses less digits than its factorization.

1115306005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 767 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1115306005 is about 33396.1974631843. The cubic root of 1115306005 is about 1037.0459827966.

The spelling of 1115306005 in words is "one billion, one hundred fifteen million, three hundred six thousand, five".