125368035507853 has 2 divisors, whose sum is σ = 125368035507854. Its totient is φ = 125368035507852.

The previous prime is 125368035507851. The next prime is 125368035507977. The reversal of 125368035507853 is 358705530863521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89159257686724 + 36208777821129 = 9442418^2 + 6017373^2 .

It is a cyclic number.

It is not a de Polignac number, because 125368035507853 - 2¹ = 125368035507851 is a prime.

Together with 125368035507851, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 125368035507791 and 125368035507800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125368035507851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62684017753926 + 62684017753927.

It is an arithmetic number, because the mean of its divisors is an integer number (62684017753927).

Almost surely, 2^{125368035507853} is an apocalyptic number.

It is an amenable number.

125368035507853 is a deficient number, since it is larger than the sum of its proper divisors (1).

125368035507853 is an equidigital number, since it uses as much as digits as its factorization.

125368035507853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720000, while the sum is 61.

The spelling of 125368035507853 in words is "one hundred twenty-five trillion, three hundred sixty-eight billion, thirty-five million, five hundred seven thousand, eight hundred fifty-three".