26330243551 has 2 divisors, whose sum is σ = 26330243552. Its totient is φ = 26330243550.

The previous prime is 26330243539. The next prime is 26330243593. The reversal of 26330243551 is 15534203362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26330243551 - 2¹¹ = 26330241503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26330243351) 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, 13165121775 + 13165121776.

It is an arithmetic number, because the mean of its divisors is an integer number (13165121776).

Almost surely, 2^26330243551 is an apocalyptic number.

26330243551 is a deficient number, since it is larger than the sum of its proper divisors (1).

26330243551 is an equidigital number, since it uses as much as digits as its factorization.

26330243551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 34.

The spelling of 26330243551 in words is "twenty-six billion, three hundred thirty million, two hundred forty-three thousand, five hundred fifty-one".