125208785756 has 24 divisors (see below), whose sum is σ = 219401364000. Its totient is φ = 62522736192.

The previous prime is 125208785753. The next prime is 125208785803. The reversal of 125208785756 is 657587802521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125208785753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12838370 + ... + 12848118.

It is an arithmetic number, because the mean of its divisors is an integer number (9141723500).

Almost surely, 2^125208785756 is an apocalyptic number.

It is an amenable number.

125208785756 is a deficient number, since it is larger than the sum of its proper divisors (94192578244).

125208785756 is a wasteful number, since it uses less digits than its factorization.

125208785756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13613 (or 13611 counting only the distinct ones).

The product of its (nonzero) digits is 9408000, while the sum is 56.

The spelling of 125208785756 in words is "one hundred twenty-five billion, two hundred eight million, seven hundred eighty-five thousand, seven hundred fifty-six".