26555527779271 has 2 divisors, whose sum is σ = 26555527779272. Its totient is φ = 26555527779270.

The previous prime is 26555527779149. The next prime is 26555527779283. The reversal of 26555527779271 is 17297772555562.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26555527779271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26555527779271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26555527770271) 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, 13277763889635 + 13277763889636.

It is an arithmetic number, because the mean of its divisors is an integer number (13277763889636).

Almost surely, 2^{26555527779271} is an apocalyptic number.

26555527779271 is a deficient number, since it is larger than the sum of its proper divisors (1).

26555527779271 is an equidigital number, since it uses as much as digits as its factorization.

26555527779271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648270000, while the sum is 70.

The spelling of 26555527779271 in words is "twenty-six trillion, five hundred fifty-five billion, five hundred twenty-seven million, seven hundred seventy-nine thousand, two hundred seventy-one".