15039338840065 has 4 divisors (see below), whose sum is σ = 18047206608084. Its totient is φ = 12031471072048.

The previous prime is 15039338840003. The next prime is 15039338840147. The reversal of 15039338840065 is 56004883393051.

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 7516408942449 + 7522929897616 = 2741607^2 + 2742796^2 .

It is a cyclic number.

It is not a de Polignac number, because 15039338840065 - 2¹³ = 15039338831873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15039338839988 and 15039338840015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1503933884002 + ... + 1503933884011.

It is an arithmetic number, because the mean of its divisors is an integer number (4511801652021).

Almost surely, 2^{15039338840065} is an apocalyptic number.

It is an amenable number.

15039338840065 is a deficient number, since it is larger than the sum of its proper divisors (3007867768019).

15039338840065 is an equidigital number, since it uses as much as digits as its factorization.

15039338840065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007867768018.

The product of its (nonzero) digits is 9331200, while the sum is 55.

The spelling of 15039338840065 in words is "fifteen trillion, thirty-nine billion, three hundred thirty-eight million, eight hundred forty thousand, sixty-five".