125771336250 has 160 divisors (see below), whose sum is σ = 360831297024. Its totient is φ = 28619736000.

The previous prime is 125771336231. The next prime is 125771336267. The reversal of 125771336250 is 52633177521.

It is a super-2 number, since 2×125771336250² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

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 79 ways as a sum of consecutive naturals, for example, 5948197 + ... + 5969303.

Almost surely, 2^125771336250 is an apocalyptic number.

125771336250 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 125771336250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180415648512).

125771336250 is an abundant number, since it is smaller than the sum of its proper divisors (235059960774).

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

125771336250 is a wasteful number, since it uses less digits than its factorization.

125771336250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21366 (or 21351 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 42.

The spelling of 125771336250 in words is "one hundred twenty-five billion, seven hundred seventy-one million, three hundred thirty-six thousand, two hundred fifty".