26006651115449 has 2 divisors, whose sum is σ = 26006651115450. Its totient is φ = 26006651115448.

The previous prime is 26006651115439. The next prime is 26006651115539. The reversal of 26006651115449 is 94451115660062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16205712999424 + 9800938116025 = 4025632^2 + 3130645^2 .

It is a cyclic number.

It is not a de Polignac number, because 26006651115449 - 2⁴ = 26006651115433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26006651115397 and 26006651115406.

It is not a weakly prime, because it can be changed into another prime (26006651115439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13003325557724 + 13003325557725.

It is an arithmetic number, because the mean of its divisors is an integer number (13003325557725).

Almost surely, 2^{26006651115449} is an apocalyptic number.

It is an amenable number.

26006651115449 is a deficient number, since it is larger than the sum of its proper divisors (1).

26006651115449 is an equidigital number, since it uses as much as digits as its factorization.

26006651115449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 26006651115449 in words is "twenty-six trillion, six billion, six hundred fifty-one million, one hundred fifteen thousand, four hundred forty-nine".