125715271650 has 24 divisors (see below), whose sum is σ = 311773874064. Its totient is φ = 33524072400.

The previous prime is 125715271607. The next prime is 125715271651. The reversal of 125715271650 is 56172517521.

It is not an unprimeable number, because it can be changed into a prime (125715271651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 419050756 + ... + 419051055.

It is an arithmetic number, because the mean of its divisors is an integer number (12990578086).

Almost surely, 2^125715271650 is an apocalyptic number.

125715271650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125715271650 is an abundant number, since it is smaller than the sum of its proper divisors (186058602414).

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

125715271650 is a wasteful number, since it uses less digits than its factorization.

125715271650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838101826 (or 838101821 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 42.

The spelling of 125715271650 in words is "one hundred twenty-five billion, seven hundred fifteen million, two hundred seventy-one thousand, six hundred fifty".