13015305065 has 32 divisors (see below), whose sum is σ = 18299506176. Its totient is φ = 8700157440.

The previous prime is 13015305041. The next prime is 13015305089. The reversal of 13015305065 is 56050351031.

It is an interprime number because it is at equal distance from previous prime (13015305041) and next prime (13015305089).

It is not a de Polignac number, because 13015305065 - 2¹⁰ = 13015304041 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2311844 + ... + 2317466.

It is an arithmetic number, because the mean of its divisors is an integer number (571859568).

Almost surely, 2^13015305065 is an apocalyptic number.

It is an amenable number.

13015305065 is a deficient number, since it is larger than the sum of its proper divisors (5284201111).

13015305065 is a wasteful number, since it uses less digits than its factorization.

13015305065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7289.

The product of its (nonzero) digits is 6750, while the sum is 29.

Adding to 13015305065 its reverse (56050351031), we get a palindrome (69065656096).

The spelling of 13015305065 in words is "thirteen billion, fifteen million, three hundred five thousand, sixty-five".