125315284544 has 56 divisors (see below), whose sum is σ = 251718275328. Its totient is φ = 61893273600.

The previous prime is 125315284541. The next prime is 125315284583. The reversal of 125315284544 is 445482513521.

It is a junction number, because it is equal to n+sod(n) for n = 125315284495 and 125315284504.

It is not an unprimeable number, because it can be changed into a prime (125315284541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2619689 + ... + 2667095.

Almost surely, 2^125315284544 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 125315284544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125859137664).

125315284544 is an abundant number, since it is smaller than the sum of its proper divisors (126402990784).

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

125315284544 is a wasteful number, since it uses less digits than its factorization.

125315284544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47923 (or 47913 counting only the distinct ones).

The product of its digits is 768000, while the sum is 44.

The spelling of 125315284544 in words is "one hundred twenty-five billion, three hundred fifteen million, two hundred eighty-four thousand, five hundred forty-four".