13275187525 has 12 divisors (see below), whose sum is σ = 16731090724. Its totient is φ = 10446048000.

The previous prime is 13275187493. The next prime is 13275187529. The reversal of 13275187525 is 52578157231.

It is a Cunningham number, because it is equal to 115218²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 1040836644 + 12234350881 = 32262^2 + 110609^2 .

It is not a de Polignac number, because 13275187525 - 2⁵ = 13275187493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13275187529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4350996 + ... + 4354045.

Almost surely, 2^13275187525 is an apocalyptic number.

It is an amenable number.

13275187525 is a deficient number, since it is larger than the sum of its proper divisors (3455903199).

13275187525 is an equidigital number, since it uses as much as digits as its factorization.

13275187525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8705112 (or 8705107 counting only the distinct ones).

The product of its digits is 588000, while the sum is 46.

The spelling of 13275187525 in words is "thirteen billion, two hundred seventy-five million, one hundred eighty-seven thousand, five hundred twenty-five".