1055005065 has 72 divisors (see below), whose sum is σ = 1929167448. Its totient is φ = 533191680.

The previous prime is 1055005037. The next prime is 1055005073. The reversal of 1055005065 is 5605005501.

1055005065 is a `hidden beast` number, since 1 + 0 + 550 + 0 + 50 + 65 = 666.

1055005065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 275925321 + 779079744 = 16611^2 + 27912^2 .

It is not a de Polignac number, because 1055005065 - 2¹⁵ = 1054972297 is a prime.

It is a super-2 number, since 2×1055005065² = 2226071374351308450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2308317 + ... + 2308773.

Almost surely, 2^1055005065 is an apocalyptic number.

1055005065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1055005065 is a deficient number, since it is larger than the sum of its proper divisors (874162383).

1055005065 is a wasteful number, since it uses less digits than its factorization.

1055005065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587 (or 555 counting only the distinct ones).

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

The square root of 1055005065 is about 32480.8415069561. The cubic root of 1055005065 is about 1018.0087594117.

The spelling of 1055005065 in words is "one billion, fifty-five million, five thousand, sixty-five".