1007741481665 has 4 divisors (see below), whose sum is σ = 1209289778004. Its totient is φ = 806193185328.

The previous prime is 1007741481601. The next prime is 1007741481727. The reversal of 1007741481665 is 5661841477001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 499385315584 + 508356166081 = 706672^2 + 712991^2 .

It is a cyclic number.

It is not a de Polignac number, because 1007741481665 - 2⁶ = 1007741481601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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, 100774148162 + ... + 100774148171.

It is an arithmetic number, because the mean of its divisors is an integer number (302322444501).

Almost surely, 2^{1007741481665} is an apocalyptic number.

It is an amenable number.

1007741481665 is a deficient number, since it is larger than the sum of its proper divisors (201548296339).

1007741481665 is an equidigital number, since it uses as much as digits as its factorization.

1007741481665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201548296338.

The product of its (nonzero) digits is 1128960, while the sum is 50.

The spelling of 1007741481665 in words is "one trillion, seven billion, seven hundred forty-one million, four hundred eighty-one thousand, six hundred sixty-five".