125075750850 has 144 divisors (see below), whose sum is σ = 341006100552. Its totient is φ = 32861306880.

The previous prime is 125075750837. The next prime is 125075750861. The reversal of 125075750850 is 58057570521.

125075750850 is a `hidden beast` number, since 1 + 25 + 0 + 7 + 575 + 0 + 8 + 50 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 33235842249 + 91839908601 = 182307^2 + 303051^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 125075750796 and 125075750805.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 47072722 + ... + 47075378.

Almost surely, 2^125075750850 is an apocalyptic number.

125075750850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125075750850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170503050276).

125075750850 is an abundant number, since it is smaller than the sum of its proper divisors (215930349702).

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

125075750850 is a wasteful number, since it uses less digits than its factorization.

125075750850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4181 (or 4173 counting only the distinct ones).

The product of its (nonzero) digits is 490000, while the sum is 45.

The spelling of 125075750850 in words is "one hundred twenty-five billion, seventy-five million, seven hundred fifty thousand, eight hundred fifty".