12026715605765 has 16 divisors (see below), whose sum is σ = 16493838392448. Its totient is φ = 8246862206016.

The previous prime is 12026715605761. The next prime is 12026715605789. The reversal of 12026715605765 is 56750651762021.

It is a happy number.

It is not a de Polignac number, because 12026715605765 - 2² = 12026715605761 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12026715605761) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17151134 + ... + 17838576.

It is an arithmetic number, because the mean of its divisors is an integer number (1030864899528).

Almost surely, 2^{12026715605765} is an apocalyptic number.

It is an amenable number.

12026715605765 is a deficient number, since it is larger than the sum of its proper divisors (4467122786683).

12026715605765 is an equidigital number, since it uses as much as digits as its factorization.

12026715605765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187308.

The product of its (nonzero) digits is 5292000, while the sum is 53.

The spelling of 12026715605765 in words is "twelve trillion, twenty-six billion, seven hundred fifteen million, six hundred five thousand, seven hundred sixty-five".