2660255026511 has 2 divisors, whose sum is σ = 2660255026512. Its totient is φ = 2660255026510.

The previous prime is 2660255026459. The next prime is 2660255026543. The reversal of 2660255026511 is 1156205520662.

2660255026511 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2660255026511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2660255026111) 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 as a sum of consecutive naturals, namely, 1330127513255 + 1330127513256.

It is an arithmetic number, because the mean of its divisors is an integer number (1330127513256).

Almost surely, 2^{2660255026511} is an apocalyptic number.

2660255026511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660255026511 is an equidigital number, since it uses as much as digits as its factorization.

2660255026511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 2660255026511 in words is "two trillion, six hundred sixty billion, two hundred fifty-five million, twenty-six thousand, five hundred eleven".