125732596550389 has 2 divisors, whose sum is σ = 125732596550390. Its totient is φ = 125732596550388.

The previous prime is 125732596550359. The next prime is 125732596550441. The reversal of 125732596550389 is 983055695237521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116420150893489 + 9312445656900 = 10789817^2 + 3051630^2 .

It is a cyclic number.

It is not a de Polignac number, because 125732596550389 - 2¹⁷ = 125732596419317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125732596550339) 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, 62866298275194 + 62866298275195.

It is an arithmetic number, because the mean of its divisors is an integer number (62866298275195).

Almost surely, 2^{125732596550389} is an apocalyptic number.

It is an amenable number.

125732596550389 is a deficient number, since it is larger than the sum of its proper divisors (1).

125732596550389 is an equidigital number, since it uses as much as digits as its factorization.

125732596550389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360000, while the sum is 70.

The spelling of 125732596550389 in words is "one hundred twenty-five trillion, seven hundred thirty-two billion, five hundred ninety-six million, five hundred fifty thousand, three hundred eighty-nine".