1065005505 has 24 divisors (see below), whose sum is σ = 1851969600. Its totient is φ = 566169120.

The previous prime is 1065005497. The next prime is 1065005507. The reversal of 1065005505 is 5055005601.

1065005505 is a `hidden beast` number, since 1 + 0 + 650 + 0 + 5 + 5 + 0 + 5 = 666.

It is not a de Polignac number, because 1065005505 - 2³ = 1065005497 is a prime.

It is a super-2 number, since 2×1065005505² = 2268473451360610050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065005507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24055 + ... + 52044.

It is an arithmetic number, because the mean of its divisors is an integer number (77165400).

Almost surely, 2^1065005505 is an apocalyptic number.

1065005505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1065005505 is a deficient number, since it is larger than the sum of its proper divisors (786964095).

1065005505 is a wasteful number, since it uses less digits than its factorization.

1065005505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76421 (or 76418 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 1065005505 is about 32634.4220877282. The cubic root of 1065005505 is about 1021.2152326754.

The spelling of 1065005505 in words is "one billion, sixty-five million, five thousand, five hundred five".