125580346899 has 16 divisors (see below), whose sum is σ = 191912011008. Its totient is φ = 71553392352.

The previous prime is 125580346889. The next prime is 125580346901. The reversal of 125580346899 is 998643085521.

It is not a de Polignac number, because 125580346899 - 2¹⁹ = 125579822611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125580346889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8609452 + ... + 8624025.

It is an arithmetic number, because the mean of its divisors is an integer number (11994500688).

Almost surely, 2^125580346899 is an apocalyptic number.

125580346899 is a deficient number, since it is larger than the sum of its proper divisors (66331664109).

125580346899 is a wasteful number, since it uses less digits than its factorization.

125580346899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17233834.

The product of its (nonzero) digits is 18662400, while the sum is 60.

The spelling of 125580346899 in words is "one hundred twenty-five billion, five hundred eighty million, three hundred forty-six thousand, eight hundred ninety-nine".