26831680801 has 2 divisors, whose sum is σ = 26831680802. Its totient is φ = 26831680800.

The previous prime is 26831680793. The next prime is 26831680807. The reversal of 26831680801 is 10808613862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21542900625 + 5288780176 = 146775^2 + 72724^2 .

It is a cyclic number.

It is not a de Polignac number, because 26831680801 - 2³ = 26831680793 is a prime.

It is not a weakly prime, because it can be changed into another prime (26831680807) 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, 13415840400 + 13415840401.

It is an arithmetic number, because the mean of its divisors is an integer number (13415840401).

Almost surely, 2^26831680801 is an apocalyptic number.

It is an amenable number.

26831680801 is a deficient number, since it is larger than the sum of its proper divisors (1).

26831680801 is an equidigital number, since it uses as much as digits as its factorization.

26831680801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 43.

The spelling of 26831680801 in words is "twenty-six billion, eight hundred thirty-one million, six hundred eighty thousand, eight hundred one".