125409477345712 has 160 divisors (see below), whose sum is σ = 292752205516800. Its totient is φ = 51968342039040.

The previous prime is 125409477345709. The next prime is 125409477345727. The reversal of 125409477345712 is 217543774904521.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197541948 + ... + 198175780.

It is an arithmetic number, because the mean of its divisors is an integer number (1829701284480).

Almost surely, 2^{125409477345712} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125409477345712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146376102758400).

125409477345712 is an abundant number, since it is smaller than the sum of its proper divisors (167342728171088).

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

125409477345712 is a wasteful number, since it uses less digits than its factorization.

125409477345712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635056 (or 635036 counting only the distinct ones).

The product of its (nonzero) digits is 59270400, while the sum is 61.

The spelling of 125409477345712 in words is "one hundred twenty-five trillion, four hundred nine billion, four hundred seventy-seven million, three hundred forty-five thousand, seven hundred twelve".