125963382617 has 2 divisors, whose sum is σ = 125963382618. Its totient is φ = 125963382616.

The previous prime is 125963382577. The next prime is 125963382673. The reversal of 125963382617 is 716283369521.

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., 124625944576 + 1337438041 = 353024^2 + 36571^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125963382617 is a prime.

It is not a weakly prime, because it can be changed into another prime (125963382317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62981691308 + 62981691309.

It is an arithmetic number, because the mean of its divisors is an integer number (62981691309).

Almost surely, 2^125963382617 is an apocalyptic number.

It is an amenable number.

125963382617 is a deficient number, since it is larger than the sum of its proper divisors (1).

125963382617 is an equidigital number, since it uses as much as digits as its factorization.

125963382617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 53.

The spelling of 125963382617 in words is "one hundred twenty-five billion, nine hundred sixty-three million, three hundred eighty-two thousand, six hundred seventeen".