1001500515165 has 32 divisors (see below), whose sum is σ = 1640224333440. Its totient is φ = 521534232576.

The previous prime is 1001500515137. The next prime is 1001500515181. The reversal of 1001500515165 is 5615150051001.

It is not a de Polignac number, because 1001500515165 - 2⁹ = 1001500514653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1641781 + ... + 2167589.

It is an arithmetic number, because the mean of its divisors is an integer number (51257010420).

Almost surely, 2^{1001500515165} is an apocalyptic number.

1001500515165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1001500515165 is a deficient number, since it is larger than the sum of its proper divisors (638723818275).

1001500515165 is a wasteful number, since it uses less digits than its factorization.

1001500515165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528813.

The product of its (nonzero) digits is 3750, while the sum is 30.

Adding to 1001500515165 its reverse (5615150051001), we get a palindrome (6616650566166).

The spelling of 1001500515165 in words is "one trillion, one billion, five hundred million, five hundred fifteen thousand, one hundred sixty-five".