1011166151065 has 16 divisors (see below), whose sum is σ = 1387128279168. Its totient is φ = 693178010496.

The previous prime is 1011166151063. The next prime is 1011166151087. The reversal of 1011166151065 is 5601516611101.

1011166151065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1011166151065 - 2¹ = 1011166151063 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 1011166151065.

It is not an unprimeable number, because it can be changed into a prime (1011166151063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3894627 + ... + 4146136.

It is an arithmetic number, because the mean of its divisors is an integer number (86695517448).

Almost surely, 2^{1011166151065} is an apocalyptic number.

It is an amenable number.

1011166151065 is a deficient number, since it is larger than the sum of its proper divisors (375962128103).

1011166151065 is an equidigital number, since it uses as much as digits as its factorization.

1011166151065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8044368.

The product of its (nonzero) digits is 5400, while the sum is 34.

The spelling of 1011166151065 in words is "one trillion, eleven billion, one hundred sixty-six million, one hundred fifty-one thousand, sixty-five".