125963382577 has 2 divisors, whose sum is σ = 125963382578. Its totient is φ = 125963382576.

The previous prime is 125963382569. The next prime is 125963382617. The reversal of 125963382577 is 775283369521.

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., 92859763441 + 33103619136 = 304729^2 + 181944^2 .

It is a cyclic number.

It is not a de Polignac number, because 125963382577 - 2³ = 125963382569 is a prime.

It is not a weakly prime, because it can be changed into another prime (125963382557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62981691288 + 62981691289.

It is an arithmetic number, because the mean of its divisors is an integer number (62981691289).

Almost surely, 2^125963382577 is an apocalyptic number.

It is an amenable number.

125963382577 is a deficient number, since it is larger than the sum of its proper divisors (1).

125963382577 is an equidigital number, since it uses as much as digits as its factorization.

125963382577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19051200, while the sum is 58.

The spelling of 125963382577 in words is "one hundred twenty-five billion, nine hundred sixty-three million, three hundred eighty-two thousand, five hundred seventy-seven".