13188132625 has 16 divisors (see below), whose sum is σ = 16463538000. Its totient is φ = 10547462400.

The previous prime is 13188132613. The next prime is 13188132647. The reversal of 13188132625 is 52623188131.

It can be written as a sum of positive squares in 8 ways, for example, as 7455977104 + 5732155521 = 86348^2 + 75711^2 .

It is not a de Polignac number, because 13188132625 - 2⁷ = 13188132497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485401 + ... + 511849.

It is an arithmetic number, because the mean of its divisors is an integer number (1028971125).

Almost surely, 2^13188132625 is an apocalyptic number.

It is an amenable number.

13188132625 is a deficient number, since it is larger than the sum of its proper divisors (3275405375).

13188132625 is an equidigital number, since it uses as much as digits as its factorization.

13188132625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30453 (or 30443 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The spelling of 13188132625 in words is "thirteen billion, one hundred eighty-eight million, one hundred thirty-two thousand, six hundred twenty-five".