125631882560 has 28 divisors (see below), whose sum is σ = 299160921108. Its totient is φ = 50252752896.

The previous prime is 125631882499. The next prime is 125631882581. The reversal of 125631882560 is 65288136521.

It can be written as a sum of positive squares in 2 ways, for example, as 85011898624 + 40619983936 = 291568^2 + 201544^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196299497 + ... + 196300136.

It is an arithmetic number, because the mean of its divisors is an integer number (10684318611).

Almost surely, 2^125631882560 is an apocalyptic number.

125631882560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125631882560 is an abundant number, since it is smaller than the sum of its proper divisors (173529038548).

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

125631882560 is an equidigital number, since it uses as much as digits as its factorization.

125631882560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392599650 (or 392599640 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 125631882560 in words is "one hundred twenty-five billion, six hundred thirty-one million, eight hundred eighty-two thousand, five hundred sixty".