26350506551 has 2 divisors, whose sum is σ = 26350506552. Its totient is φ = 26350506550.

The previous prime is 26350506541. The next prime is 26350506593. The reversal of 26350506551 is 15560505362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26350506551 - 2³⁴ = 9170637367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26350506541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13175253275 + 13175253276.

It is an arithmetic number, because the mean of its divisors is an integer number (13175253276).

Almost surely, 2^26350506551 is an apocalyptic number.

26350506551 is a deficient number, since it is larger than the sum of its proper divisors (1).

26350506551 is an equidigital number, since it uses as much as digits as its factorization.

26350506551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 26350506551 in words is "twenty-six billion, three hundred fifty million, five hundred six thousand, five hundred fifty-one".