26212537461017 has 2 divisors, whose sum is σ = 26212537461018. Its totient is φ = 26212537461016.

The previous prime is 26212537461013. The next prime is 26212537461053. The reversal of 26212537461017 is 71016473521262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21770100232336 + 4442437228681 = 4665844^2 + 2107709^2 .

It is a cyclic number.

It is not a de Polignac number, because 26212537461017 - 2² = 26212537461013 is a prime.

It is not a weakly prime, because it can be changed into another prime (26212537461013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13106268730508 + 13106268730509.

It is an arithmetic number, because the mean of its divisors is an integer number (13106268730509).

Almost surely, 2^{26212537461017} is an apocalyptic number.

It is an amenable number.

26212537461017 is a deficient number, since it is larger than the sum of its proper divisors (1).

26212537461017 is an equidigital number, since it uses as much as digits as its factorization.

26212537461017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 26212537461017 in words is "twenty-six trillion, two hundred twelve billion, five hundred thirty-seven million, four hundred sixty-one thousand, seventeen".