125344673607617 has 2 divisors, whose sum is σ = 125344673607618. Its totient is φ = 125344673607616.

The previous prime is 125344673607607. The next prime is 125344673607641. The reversal of 125344673607617 is 716706376443521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112061681074561 + 13282992533056 = 10585919^2 + 3644584^2 .

It is a cyclic number.

It is not a de Polignac number, because 125344673607617 - 2⁶ = 125344673607553 is a prime.

It is a super-2 number, since 2×125344673607617² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125344673607617.

It is not a weakly prime, because it can be changed into another prime (125344673607607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62672336803808 + 62672336803809.

It is an arithmetic number, because the mean of its divisors is an integer number (62672336803809).

Almost surely, 2^{125344673607617} is an apocalyptic number.

It is an amenable number.

125344673607617 is a deficient number, since it is larger than the sum of its proper divisors (1).

125344673607617 is an equidigital number, since it uses as much as digits as its factorization.

125344673607617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 106686720, while the sum is 62.

The spelling of 125344673607617 in words is "one hundred twenty-five trillion, three hundred forty-four billion, six hundred seventy-three million, six hundred seven thousand, six hundred seventeen".