125689869706 has 16 divisors (see below), whose sum is σ = 194684871168. Its totient is φ = 60796335600.

The previous prime is 125689869661. The next prime is 125689869787. The reversal of 125689869706 is 607968986521.

It is a super-2 number, since 2×125689869706² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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, 176910 + ... + 531673.

It is an arithmetic number, because the mean of its divisors is an integer number (12167804448).

Almost surely, 2^125689869706 is an apocalyptic number.

125689869706 is a deficient number, since it is larger than the sum of its proper divisors (68995001462).

125689869706 is a wasteful number, since it uses less digits than its factorization.

125689869706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711477.

The product of its (nonzero) digits is 78382080, while the sum is 67.

The spelling of 125689869706 in words is "one hundred twenty-five billion, six hundred eighty-nine million, eight hundred sixty-nine thousand, seven hundred six".