1000511005065 has 64 divisors (see below), whose sum is σ = 1945532010240. Its totient is φ = 432340392960.

The previous prime is 1000511005037. The next prime is 1000511005141. The reversal of 1000511005065 is 5605001150001.

It is not a de Polignac number, because 1000511005065 - 2⁵ = 1000511005033 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7979842 + ... + 8104251.

It is an arithmetic number, because the mean of its divisors is an integer number (30398937660).

Almost surely, 2^{1000511005065} is an apocalyptic number.

1000511005065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1000511005065 is a deficient number, since it is larger than the sum of its proper divisors (945021005175).

1000511005065 is a wasteful number, since it uses less digits than its factorization.

1000511005065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16084154.

The product of its (nonzero) digits is 750, while the sum is 24.

Adding to 1000511005065 its reverse (5605001150001), we get a palindrome (6605512155066).

The spelling of 1000511005065 in words is "one trillion, five hundred eleven million, five thousand, sixty-five".