11559709025 has 12 divisors (see below), whose sum is σ = 14347947372. Its totient is φ = 9238794240.

The previous prime is 11559708973. The next prime is 11559709033. The reversal of 11559709025 is 52090795511.

It can be written as a sum of positive squares in 6 ways, for example, as 393982801 + 11165726224 = 19849^2 + 105668^2 .

It is not a de Polignac number, because 11559709025 - 2¹⁰ = 11559708001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197984 + ... + 249633.

It is an arithmetic number, because the mean of its divisors is an integer number (1195662281).

Almost surely, 2^11559709025 is an apocalyptic number.

It is an amenable number.

11559709025 is a deficient number, since it is larger than the sum of its proper divisors (2788238347).

11559709025 is a wasteful number, since it uses less digits than its factorization.

11559709025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448660 (or 448655 counting only the distinct ones).

The product of its (nonzero) digits is 141750, while the sum is 44.

The spelling of 11559709025 in words is "eleven billion, five hundred fifty-nine million, seven hundred nine thousand, twenty-five".