125121052611713 has 2 divisors, whose sum is σ = 125121052611714. Its totient is φ = 125121052611712.

The previous prime is 125121052611677. The next prime is 125121052611757. The reversal of 125121052611713 is 317116250121521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109711211873344 + 15409840738369 = 10474312^2 + 3925537^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125121052611713 is a prime.

It is not a weakly prime, because it can be changed into another prime (125121052610713) by changing a digit.

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 as a sum of consecutive naturals, namely, 62560526305856 + 62560526305857.

It is an arithmetic number, because the mean of its divisors is an integer number (62560526305857).

Almost surely, 2^{125121052611713} is an apocalyptic number.

It is an amenable number.

125121052611713 is a deficient number, since it is larger than the sum of its proper divisors (1).

125121052611713 is an equidigital number, since it uses as much as digits as its factorization.

125121052611713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 38.

The spelling of 125121052611713 in words is "one hundred twenty-five trillion, one hundred twenty-one billion, fifty-two million, six hundred eleven thousand, seven hundred thirteen".