11525534130109 has 2 divisors, whose sum is σ = 11525534130110. Its totient is φ = 11525534130108.

The previous prime is 11525534130023. The next prime is 11525534130161. The reversal of 11525534130109 is 90103143552511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10257383371225 + 1268150758884 = 3202715^2 + 1126122^2 .

It is an emirp because it is prime and its reverse (90103143552511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11525534130109 - 2⁷ = 11525534129981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11525534130809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5762767065054 + 5762767065055.

It is an arithmetic number, because the mean of its divisors is an integer number (5762767065055).

Almost surely, 2^{11525534130109} is an apocalyptic number.

It is an amenable number.

11525534130109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11525534130109 is an equidigital number, since it uses as much as digits as its factorization.

11525534130109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 40.

The spelling of 11525534130109 in words is "eleven trillion, five hundred twenty-five billion, five hundred thirty-four million, one hundred thirty thousand, one hundred nine".