1131069165 has 32 divisors (see below), whose sum is σ = 1876608000. Its totient is φ = 581038080.

The previous prime is 1131069151. The next prime is 1131069187. The reversal of 1131069165 is 5619601311.

It is not a de Polignac number, because 1131069165 - 2⁵ = 1131069133 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192420 + ... + 198210.

It is an arithmetic number, because the mean of its divisors is an integer number (58644000).

Almost surely, 2^1131069165 is an apocalyptic number.

1131069165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1131069165 is a deficient number, since it is larger than the sum of its proper divisors (745538835).

1131069165 is a wasteful number, since it uses less digits than its factorization.

1131069165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6277.

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 1131069165 is about 33631.3717383041. The cubic root of 1131069165 is about 1041.9088356281.

The spelling of 1131069165 in words is "one billion, one hundred thirty-one million, sixty-nine thousand, one hundred sixty-five".