26155385541877 has 2 divisors, whose sum is σ = 26155385541878. Its totient is φ = 26155385541876.

The previous prime is 26155385541841. The next prime is 26155385541907. The reversal of 26155385541877 is 77814558355162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24006021364836 + 2149364177041 = 4899594^2 + 1466071^2 .

It is a cyclic number.

It is not a de Polignac number, because 26155385541877 - 2⁴³ = 17359292519669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26155385542877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13077692770938 + 13077692770939.

It is an arithmetic number, because the mean of its divisors is an integer number (13077692770939).

Almost surely, 2^{26155385541877} is an apocalyptic number.

It is an amenable number.

26155385541877 is a deficient number, since it is larger than the sum of its proper divisors (1).

26155385541877 is an equidigital number, since it uses as much as digits as its factorization.

26155385541877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240000, while the sum is 67.

The spelling of 26155385541877 in words is "twenty-six trillion, one hundred fifty-five billion, three hundred eighty-five million, five hundred forty-one thousand, eight hundred seventy-seven".