26550717461 has 2 divisors, whose sum is σ = 26550717462. Its totient is φ = 26550717460.

The previous prime is 26550717397. The next prime is 26550717481. The reversal of 26550717461 is 16471705562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16226938225 + 10323779236 = 127385^2 + 101606^2 .

It is a cyclic number.

It is not a de Polignac number, because 26550717461 - 2⁶ = 26550717397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26550717481) 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, 13275358730 + 13275358731.

It is an arithmetic number, because the mean of its divisors is an integer number (13275358731).

Almost surely, 2^26550717461 is an apocalyptic number.

It is an amenable number.

26550717461 is a deficient number, since it is larger than the sum of its proper divisors (1).

26550717461 is an equidigital number, since it uses as much as digits as its factorization.

26550717461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 26550717461 in words is "twenty-six billion, five hundred fifty million, seven hundred seventeen thousand, four hundred sixty-one".