1312055798089 has 8 divisors (see below), whose sum is σ = 1344180107592. Its totient is φ = 1279937343360.

The previous prime is 1312055798083. The next prime is 1312055798143. The reversal of 1312055798089 is 9808975502131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19184466064 + 1292871332025 = 138508^2 + 1137045^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1312055798089 - 2²³ = 1312047409481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312055798083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008294 + ... + 1908079.

It is an arithmetic number, because the mean of its divisors is an integer number (168022513449).

Almost surely, 2^{1312055798089} is an apocalyptic number.

It is an amenable number.

1312055798089 is a deficient number, since it is larger than the sum of its proper divisors (32124309503).

1312055798089 is a wasteful number, since it uses less digits than its factorization.

1312055798089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927387.

The product of its (nonzero) digits is 5443200, while the sum is 58.

The spelling of 1312055798089 in words is "one trillion, three hundred twelve billion, fifty-five million, seven hundred ninety-eight thousand, eighty-nine".