13055521025 has 12 divisors (see below), whose sum is σ = 17141131692. Its totient is φ = 9830039040.

The previous prime is 13055521019. The next prime is 13055521051. The reversal of 13055521025 is 52012555031.

It can be written as a sum of positive squares in 6 ways, for example, as 526748401 + 12528772624 = 22951^2 + 111932^2 .

It is not a de Polignac number, because 13055521025 - 2¹⁰ = 13055520001 is a prime.

It is a Duffinian 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, 15359012 + ... + 15359861.

It is an arithmetic number, because the mean of its divisors is an integer number (1428427641).

Almost surely, 2^13055521025 is an apocalyptic number.

It is an amenable number.

13055521025 is a deficient number, since it is larger than the sum of its proper divisors (4085610667).

13055521025 is a wasteful number, since it uses less digits than its factorization.

13055521025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30718900 (or 30718895 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

The spelling of 13055521025 in words is "thirteen billion, fifty-five million, five hundred twenty-one thousand, twenty-five".