125803702568 has 8 divisors (see below), whose sum is σ = 235881942330. Its totient is φ = 62901851280.

The previous prime is 125803702559. The next prime is 125803702597. The reversal of 125803702568 is 865207308521.

It can be written as a sum of positive squares in only one way, i.e., 86505397924 + 39298304644 = 294118^2 + 198238^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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, 7862731403 + ... + 7862731418.

Almost surely, 2^125803702568 is an apocalyptic number.

It is an amenable number.

125803702568 is a deficient number, since it is larger than the sum of its proper divisors (110078239762).

125803702568 is a wasteful number, since it uses less digits than its factorization.

125803702568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15725462827 (or 15725462823 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 125803702568 in words is "one hundred twenty-five billion, eight hundred three million, seven hundred two thousand, five hundred sixty-eight".