12765765561207 has 8 divisors (see below), whose sum is σ = 17059442918784. Its totient is φ = 8491299288888.

The previous prime is 12765765561181. The next prime is 12765765561209. The reversal of 12765765561207 is 70216556756721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-12765765561207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12765765561209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4802769763 + ... + 4802772420.

It is an arithmetic number, because the mean of its divisors is an integer number (2132430364848).

Almost surely, 2^{12765765561207} is an apocalyptic number.

12765765561207 is a deficient number, since it is larger than the sum of its proper divisors (4293677357577).

12765765561207 is an equidigital number, since it uses as much as digits as its factorization.

12765765561207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9605542629.

The product of its (nonzero) digits is 37044000, while the sum is 60.

The spelling of 12765765561207 in words is "twelve trillion, seven hundred sixty-five billion, seven hundred sixty-five million, five hundred sixty-one thousand, two hundred seven".