125855797481472 has 208 divisors, whose sum is σ = 348427274446080. Its totient is φ = 40355817062400.

The previous prime is 125855797481431. The next prime is 125855797481581. The reversal of 125855797481472 is 274184797558521.

It is a junction number, because it is equal to n+sod(n) for n = 125855797481394 and 125855797481403.

It is an unprimeable number.

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, 95919772 + ... + 97223012.

Almost surely, 2^{125855797481472} is an apocalyptic number.

125855797481472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125855797481472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174213637223040).

125855797481472 is an abundant number, since it is smaller than the sum of its proper divisors (222571476964608).

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

125855797481472 is a wasteful number, since it uses less digits than its factorization.

125855797481472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303568 (or 1303546 counting only the distinct ones).

The product of its digits is 1580544000, while the sum is 75.

The spelling of 125855797481472 in words is "one hundred twenty-five trillion, eight hundred fifty-five billion, seven hundred ninety-seven million, four hundred eighty-one thousand, four hundred seventy-two".