125564561058266 has 16 divisors (see below), whose sum is σ = 207389555396640. Its totient is φ = 56541391129680.

The previous prime is 125564561058239. The next prime is 125564561058319. The reversal of 125564561058266 is 662850165465521.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125564561058199 and 125564561058208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26670465161 + ... + 26670469868.

It is an arithmetic number, because the mean of its divisors is an integer number (12961847212290).

Almost surely, 2^{125564561058266} is an apocalyptic number.

125564561058266 is a deficient number, since it is larger than the sum of its proper divisors (81824994338374).

125564561058266 is a wasteful number, since it uses less digits than its factorization.

125564561058266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53340935149.

The product of its (nonzero) digits is 103680000, while the sum is 62.

The spelling of 125564561058266 in words is "one hundred twenty-five trillion, five hundred sixty-four billion, five hundred sixty-one million, fifty-eight thousand, two hundred sixty-six".