125047567606849 has 2 divisors, whose sum is σ = 125047567606850. Its totient is φ = 125047567606848.

The previous prime is 125047567606771. The next prime is 125047567606867. The reversal of 125047567606849 is 948606765740521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110166435840400 + 14881131766449 = 10496020^2 + 3857607^2 .

It is a cyclic number.

It is not a de Polignac number, because 125047567606849 - 2¹⁵ = 125047567574081 is a prime.

It is not a weakly prime, because it can be changed into another prime (125047567606349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62523783803424 + 62523783803425.

It is an arithmetic number, because the mean of its divisors is an integer number (62523783803425).

Almost surely, 2^{125047567606849} is an apocalyptic number.

It is an amenable number.

125047567606849 is a deficient number, since it is larger than the sum of its proper divisors (1).

125047567606849 is an equidigital number, since it uses as much as digits as its factorization.

125047567606849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 609638400, while the sum is 70.

The spelling of 125047567606849 in words is "one hundred twenty-five trillion, forty-seven billion, five hundred sixty-seven million, six hundred six thousand, eight hundred forty-nine".