1111160820165 has 64 divisors (see below), whose sum is σ = 1958090803200. Its totient is φ = 533593670400.

The previous prime is 1111160820149. The next prime is 1111160820167. The reversal of 1111160820165 is 5610280611111.

It is not a de Polignac number, because 1111160820165 - 2⁴ = 1111160820149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111160820167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9598096 + ... + 9713174.

It is an arithmetic number, because the mean of its divisors is an integer number (30595168800).

Almost surely, 2^{1111160820165} is an apocalyptic number.

1111160820165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1111160820165 is a deficient number, since it is larger than the sum of its proper divisors (846929983035).

1111160820165 is a wasteful number, since it uses less digits than its factorization.

1111160820165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115658.

The product of its (nonzero) digits is 2880, while the sum is 33.

The spelling of 1111160820165 in words is "one trillion, one hundred eleven billion, one hundred sixty million, eight hundred twenty thousand, one hundred sixty-five".