1165081338730 has 16 divisors (see below), whose sum is σ = 2097165909384. Its totient is φ = 466028202240.

The previous prime is 1165081338719. The next prime is 1165081338731. The reversal of 1165081338730 is 378331805611.

It can be written as a sum of positive squares in 4 ways, for example, as 467884728441 + 697196610289 = 684021^2 + 834983^2 .

It is not an unprimeable number, because it can be changed into a prime (1165081338731) 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 7 ways as a sum of consecutive naturals, for example, 729694 + ... + 1691926.

Almost surely, 2^{1165081338730} is an apocalyptic number.

1165081338730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1165081338730 is a deficient number, since it is larger than the sum of its proper divisors (932084570654).

1165081338730 is a wasteful number, since it uses less digits than its factorization.

1165081338730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083321.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 1165081338730 in words is "one trillion, one hundred sixty-five billion, eighty-one million, three hundred thirty-eight thousand, seven hundred thirty".