1011165000505 has 16 divisors (see below), whose sum is σ = 1323746717184. Its totient is φ = 735370612480.

The previous prime is 1011165000463. The next prime is 1011165000607. The reversal of 1011165000505 is 5050005611101.

It is not a de Polignac number, because 1011165000505 - 2¹¹ = 1011164998457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011165000505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1695864 + ... + 2213206.

It is an arithmetic number, because the mean of its divisors is an integer number (82734169824).

Almost surely, 2^{1011165000505} is an apocalyptic number.

It is an amenable number.

1011165000505 is a deficient number, since it is larger than the sum of its proper divisors (312581716679).

1011165000505 is a wasteful number, since it uses less digits than its factorization.

1011165000505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552896.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 1011165000505 in words is "one trillion, eleven billion, one hundred sixty-five million, five hundred five", and thus it is an aban number.