12765380516513 has 8 divisors (see below), whose sum is σ = 12772658685600. Its totient is φ = 12758102983648.

The previous prime is 12765380516503. The next prime is 12765380516521. The reversal of 12765380516513 is 31561508356721.

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 12765380516513 - 2³⁰ = 12764306774689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12765380516503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43352978 + ... + 43646436.

It is an arithmetic number, because the mean of its divisors is an integer number (1596582335700).

Almost surely, 2^{12765380516513} is an apocalyptic number.

It is an amenable number.

12765380516513 is a deficient number, since it is larger than the sum of its proper divisors (7278169087).

12765380516513 is a wasteful number, since it uses less digits than its factorization.

12765380516513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318111.

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 12765380516513 in words is "twelve trillion, seven hundred sixty-five billion, three hundred eighty million, five hundred sixteen thousand, five hundred thirteen".