1075881339009 has 9 divisors (see below), whose sum is σ = 1554055317763. Its totient is φ = 717252151512.

The previous prime is 1075881339007. The next prime is 1075881339017. The reversal of 1075881339009 is 9009331885701.

The square root of 1075881339009 is 1037247.

It is a perfect power (a square), and thus also a powerful number.

1075881339009 is a `hidden beast` number, since 10 + 7 + 588 + 13 + 39 + 0 + 0 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 46589927409 + 1029291411600 = 215847^2 + 1014540^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1075881339009 - 2¹ = 1075881339007 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1075881339007) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2938867 + ... + 3284615.

Almost surely, 2^{1075881339009} is an apocalyptic number.

1075881339009 is the 1037247-th square number.

1075881339009 is the 518624-th centered octagonal number.

It is an amenable number.

1075881339009 is a deficient number, since it is larger than the sum of its proper divisors (478173978754).

1075881339009 is an frugal number, since it uses more digits than its factorization.

1075881339009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691504 (or 345752 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 1075881339009 in words is "one trillion, seventy-five billion, eight hundred eighty-one million, three hundred thirty-nine thousand, nine".