125025881280 has 112 divisors (see below), whose sum is σ = 398234513664. Its totient is φ = 33232952320.

The previous prime is 125025881269. The next prime is 125025881293. The reversal of 125025881280 is 82188520521.

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, 89179 + ... + 507941.

Almost surely, 2^125025881280 is an apocalyptic number.

125025881280 is a gapful number since it is divisible by the number (10) 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 125025881280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199117256832).

125025881280 is an abundant number, since it is smaller than the sum of its proper divisors (273208632384).

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

125025881280 is a wasteful number, since it uses less digits than its factorization.

125025881280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419094 (or 419084 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 42.

The spelling of 125025881280 in words is "one hundred twenty-five billion, twenty-five million, eight hundred eighty-one thousand, two hundred eighty".