26115403441 has 2 divisors, whose sum is σ = 26115403442. Its totient is φ = 26115403440.

The previous prime is 26115403367. The next prime is 26115403481. The reversal of 26115403441 is 14430451162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24641150625 + 1474252816 = 156975^2 + 38396^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26115403441 is a prime.

It is not a weakly prime, because it can be changed into another prime (26115403481) 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 as a sum of consecutive naturals, namely, 13057701720 + 13057701721.

It is an arithmetic number, because the mean of its divisors is an integer number (13057701721).

Almost surely, 2^26115403441 is an apocalyptic number.

It is an amenable number.

26115403441 is a deficient number, since it is larger than the sum of its proper divisors (1).

26115403441 is an equidigital number, since it uses as much as digits as its factorization.

26115403441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 26115403441 in words is "twenty-six billion, one hundred fifteen million, four hundred three thousand, four hundred forty-one".