10528026109 has 2 divisors, whose sum is σ = 10528026110. Its totient is φ = 10528026108.

The previous prime is 10528026073. The next prime is 10528026121. The reversal of 10528026109 is 90162082501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10486784025 + 41242084 = 102405^2 + 6422^2 .

It is a cyclic number.

It is not a de Polignac number, because 10528026109 - 2⁹ = 10528025597 is a prime.

It is a super-2 number, since 2×10528026109² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10528026199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5264013054 + 5264013055.

It is an arithmetic number, because the mean of its divisors is an integer number (5264013055).

Almost surely, 2^10528026109 is an apocalyptic number.

It is an amenable number.

10528026109 is a deficient number, since it is larger than the sum of its proper divisors (1).

10528026109 is an equidigital number, since it uses as much as digits as its factorization.

10528026109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 10528026109 in words is "ten billion, five hundred twenty-eight million, twenty-six thousand, one hundred nine".