125356660906320 has 60 divisors (see below), whose sum is σ = 420989452879476. Its totient is φ = 33428442908160.

The previous prime is 125356660906229. The next prime is 125356660906363. The reversal of 125356660906320 is 23609066653521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16978816927296 + 108377843979024 = 4120536^2 + 10410468^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 87053236021 + ... + 87053237460.

Almost surely, 2^{125356660906320} is an apocalyptic number.

125356660906320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125356660906320 is an abundant number, since it is smaller than the sum of its proper divisors (295632791973156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125356660906320 is a wasteful number, since it uses less digits than its factorization.

125356660906320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174106473500 (or 174106473491 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 54.

The spelling of 125356660906320 in words is "one hundred twenty-five trillion, three hundred fifty-six billion, six hundred sixty million, nine hundred six thousand, three hundred twenty".