12525530177 has 2 divisors, whose sum is σ = 12525530178. Its totient is φ = 12525530176.

The previous prime is 12525530159. The next prime is 12525530209. The reversal of 12525530177 is 77103552521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11992659121 + 532871056 = 109511^2 + 23084^2 .

It is a cyclic number.

It is not a de Polignac number, because 12525530177 - 2⁸ = 12525529921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12525530177.

It is not a weakly prime, because it can be changed into another prime (12525530477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6262765088 + 6262765089.

It is an arithmetic number, because the mean of its divisors is an integer number (6262765089).

Almost surely, 2^12525530177 is an apocalyptic number.

It is an amenable number.

12525530177 is a deficient number, since it is larger than the sum of its proper divisors (1).

12525530177 is an equidigital number, since it uses as much as digits as its factorization.

12525530177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73500, while the sum is 38.

The spelling of 12525530177 in words is "twelve billion, five hundred twenty-five million, five hundred thirty thousand, one hundred seventy-seven".