125802757768 has 8 divisors (see below), whose sum is σ = 235880170830. Its totient is φ = 62901378880.

The previous prime is 125802757753. The next prime is 125802757771. The reversal of 125802757768 is 867757208521.

It can be written as a sum of positive squares in only one way, i.e., 124977804484 + 824953284 = 353522^2 + 28722^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7862672353 + ... + 7862672368.

Almost surely, 2^125802757768 is an apocalyptic number.

It is an amenable number.

125802757768 is a deficient number, since it is larger than the sum of its proper divisors (110077413062).

125802757768 is a wasteful number, since it uses less digits than its factorization.

125802757768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15725344727 (or 15725344723 counting only the distinct ones).

The product of its (nonzero) digits is 13171200, while the sum is 58.

The spelling of 125802757768 in words is "one hundred twenty-five billion, eight hundred two million, seven hundred fifty-seven thousand, seven hundred sixty-eight".