26000866601 has 2 divisors, whose sum is σ = 26000866602. Its totient is φ = 26000866600.

The previous prime is 26000866553. The next prime is 26000866607. The reversal of 26000866601 is 10666800062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25953532201 + 47334400 = 161101^2 + 6880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26000866601 is a prime.

It is not a weakly prime, because it can be changed into another prime (26000866607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13000433300 + 13000433301.

It is an arithmetic number, because the mean of its divisors is an integer number (13000433301).

Almost surely, 2^26000866601 is an apocalyptic number.

It is an amenable number.

26000866601 is a deficient number, since it is larger than the sum of its proper divisors (1).

26000866601 is an equidigital number, since it uses as much as digits as its factorization.

26000866601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 26000866601 in words is "twenty-six billion, eight hundred sixty-six thousand, six hundred one".