125184551641 has 2 divisors, whose sum is σ = 125184551642. Its totient is φ = 125184551640.

The previous prime is 125184551549. The next prime is 125184551671. The reversal of 125184551641 is 146155481521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88087865616 + 37096686025 = 296796^2 + 192605^2 .

It is a cyclic number.

It is not a de Polignac number, because 125184551641 - 2²⁷ = 125050333913 is a prime.

It is not a weakly prime, because it can be changed into another prime (125184551671) 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, 62592275820 + 62592275821.

It is an arithmetic number, because the mean of its divisors is an integer number (62592275821).

Almost surely, 2^125184551641 is an apocalyptic number.

It is an amenable number.

125184551641 is a deficient number, since it is larger than the sum of its proper divisors (1).

125184551641 is an equidigital number, since it uses as much as digits as its factorization.

125184551641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192000, while the sum is 43.

The spelling of 125184551641 in words is "one hundred twenty-five billion, one hundred eighty-four million, five hundred fifty-one thousand, six hundred forty-one".