26104902601 has 2 divisors, whose sum is σ = 26104902602. Its totient is φ = 26104902600.

The previous prime is 26104902599. The next prime is 26104902611. The reversal of 26104902601 is 10620940162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23175495225 + 2929407376 = 152235^2 + 54124^2 .

It is a cyclic number.

It is not a de Polignac number, because 26104902601 - 2¹ = 26104902599 is a prime.

Together with 26104902599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (26104902611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13052451300 + 13052451301.

It is an arithmetic number, because the mean of its divisors is an integer number (13052451301).

Almost surely, 2^26104902601 is an apocalyptic number.

It is an amenable number.

26104902601 is a deficient number, since it is larger than the sum of its proper divisors (1).

26104902601 is an equidigital number, since it uses as much as digits as its factorization.

26104902601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 26104902601 in words is "twenty-six billion, one hundred four million, nine hundred two thousand, six hundred one".