125544491459 has 2 divisors, whose sum is σ = 125544491460. Its totient is φ = 125544491458.

The previous prime is 125544491441. The next prime is 125544491533. The reversal of 125544491459 is 954194445521.

It is a weak prime.

It is an emirp because it is prime and its reverse (954194445521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125544491459 - 2⁸ = 125544491203 is a prime.

It is a super-2 number, since 2×125544491459² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125544491459.

It is not a weakly prime, because it can be changed into another prime (125544491419) 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, 62772245729 + 62772245730.

It is an arithmetic number, because the mean of its divisors is an integer number (62772245730).

Almost surely, 2^125544491459 is an apocalyptic number.

125544491459 is a deficient number, since it is larger than the sum of its proper divisors (1).

125544491459 is an equidigital number, since it uses as much as digits as its factorization.

125544491459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184000, while the sum is 53.

The spelling of 125544491459 in words is "one hundred twenty-five billion, five hundred forty-four million, four hundred ninety-one thousand, four hundred fifty-nine".