125471604859 has 2 divisors, whose sum is σ = 125471604860. Its totient is φ = 125471604858.

The previous prime is 125471604851. The next prime is 125471604871. The reversal of 125471604859 is 958406174521.

It is a weak prime.

It is an emirp because it is prime and its reverse (958406174521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125471604859 - 2³ = 125471604851 is a prime.

It is not a weakly prime, because it can be changed into another prime (125471604851) 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, 62735802429 + 62735802430.

It is an arithmetic number, because the mean of its divisors is an integer number (62735802430).

Almost surely, 2^125471604859 is an apocalyptic number.

125471604859 is a deficient number, since it is larger than the sum of its proper divisors (1).

125471604859 is an equidigital number, since it uses as much as digits as its factorization.

125471604859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 125471604859 in words is "one hundred twenty-five billion, four hundred seventy-one million, six hundred four thousand, eight hundred fifty-nine".