1026534221117 has 2 divisors, whose sum is σ = 1026534221118. Its totient is φ = 1026534221116.

The previous prime is 1026534221113. The next prime is 1026534221161. The reversal of 1026534221117 is 7111224356201.

1026534221117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 830806728196 + 195727492921 = 911486^2 + 442411^2 .

It is a cyclic number.

It is not a de Polignac number, because 1026534221117 - 2² = 1026534221113 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1026534221113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513267110558 + 513267110559.

It is an arithmetic number, because the mean of its divisors is an integer number (513267110559).

Almost surely, 2^{1026534221117} is an apocalyptic number.

It is an amenable number.

1026534221117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026534221117 is an equidigital number, since it uses as much as digits as its factorization.

1026534221117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

Adding to 1026534221117 its reverse (7111224356201), we get a palindrome (8137758577318).

The spelling of 1026534221117 in words is "one trillion, twenty-six billion, five hundred thirty-four million, two hundred twenty-one thousand, one hundred seventeen".