1275273595009 has 4 divisors (see below), whose sum is σ = 1285008508080. Its totient is φ = 1265538681940.

The previous prime is 1275273594961. The next prime is 1275273595067. The reversal of 1275273595009 is 9005953725721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1275273595009 - 2¹¹ = 1275273592961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1275273595069) 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 3 ways as a sum of consecutive naturals, for example, 4867456339 + ... + 4867456600.

It is an arithmetic number, because the mean of its divisors is an integer number (321252127020).

Almost surely, 2^{1275273595009} is an apocalyptic number.

It is an amenable number.

1275273595009 is a deficient number, since it is larger than the sum of its proper divisors (9734913071).

1275273595009 is an equidigital number, since it uses as much as digits as its factorization.

1275273595009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9734913070.

The product of its (nonzero) digits is 5953500, while the sum is 55.

The spelling of 1275273595009 in words is "one trillion, two hundred seventy-five billion, two hundred seventy-three million, five hundred ninety-five thousand, nine".