26336012918591 has 2 divisors, whose sum is σ = 26336012918592. Its totient is φ = 26336012918590.

The previous prime is 26336012918581. The next prime is 26336012918609. The reversal of 26336012918591 is 19581921063362.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26336012918591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26336012918581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13168006459295 + 13168006459296.

It is an arithmetic number, because the mean of its divisors is an integer number (13168006459296).

Almost surely, 2^{26336012918591} is an apocalyptic number.

26336012918591 is a deficient number, since it is larger than the sum of its proper divisors (1).

26336012918591 is an equidigital number, since it uses as much as digits as its factorization.

26336012918591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4199040, while the sum is 56.

The spelling of 26336012918591 in words is "twenty-six trillion, three hundred thirty-six billion, twelve million, nine hundred eighteen thousand, five hundred ninety-one".