26051016149 has 2 divisors, whose sum is σ = 26051016150. Its totient is φ = 26051016148.

The previous prime is 26051016127. The next prime is 26051016151. The reversal of 26051016149 is 94161015062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25475352100 + 575664049 = 159610^2 + 23993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26051016149 is a prime.

Together with 26051016151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26051016119) 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, 13025508074 + 13025508075.

It is an arithmetic number, because the mean of its divisors is an integer number (13025508075).

Almost surely, 2^26051016149 is an apocalyptic number.

It is an amenable number.

26051016149 is a deficient number, since it is larger than the sum of its proper divisors (1).

26051016149 is an equidigital number, since it uses as much as digits as its factorization.

26051016149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 26051016149 in words is "twenty-six billion, fifty-one million, sixteen thousand, one hundred forty-nine".