1005560065 has 16 divisors (see below), whose sum is σ = 1274849280. Its totient is φ = 760177600.

The previous prime is 1005560041. The next prime is 1005560099. The reversal of 1005560065 is 5600655001.

It is not a de Polignac number, because 1005560065 - 2⁵ = 1005560033 is a prime.

It is a super-2 number, since 2×1005560065² = 2022302088645608450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66961 + ... + 80590.

It is an arithmetic number, because the mean of its divisors is an integer number (79678080).

Almost surely, 2^1005560065 is an apocalyptic number.

It is an amenable number.

1005560065 is a deficient number, since it is larger than the sum of its proper divisors (269289215).

1005560065 is a wasteful number, since it uses less digits than its factorization.

1005560065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147632.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 1005560065 is about 31710.5670873291. The cubic root of 1005560065 is about 1001.8499306463.

The spelling of 1005560065 in words is "one billion, five million, five hundred sixty thousand, sixty-five".