1000615506665 has 16 divisors (see below), whose sum is σ = 1264076785920. Its totient is φ = 758276380800.

The previous prime is 1000615506599. The next prime is 1000615506677. The reversal of 1000615506665 is 5666055160001.

It is not a de Polignac number, because 1000615506665 - 2¹⁶ = 1000615441129 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270965 + ... + 1440365.

It is an arithmetic number, because the mean of its divisors is an integer number (79004799120).

Almost surely, 2^{1000615506665} is an apocalyptic number.

It is an amenable number.

1000615506665 is a deficient number, since it is larger than the sum of its proper divisors (263461279255).

1000615506665 is a wasteful number, since it uses less digits than its factorization.

1000615506665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178432.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 1000615506665 in words is "one trillion, six hundred fifteen million, five hundred six thousand, six hundred sixty-five".