125115910250 has 16 divisors (see below), whose sum is σ = 234216984456. Its totient is φ = 50046364000.

The previous prime is 125115910243. The next prime is 125115910273. The reversal of 125115910250 is 52019511521.

It can be written as a sum of positive squares in 4 ways, for example, as 6455640409 + 118660269841 = 80347^2 + 344471^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250231571 + ... + 250232070.

Almost surely, 2^125115910250 is an apocalyptic number.

125115910250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125115910250 is a deficient number, since it is larger than the sum of its proper divisors (109101074206).

125115910250 is an equidigital number, since it uses as much as digits as its factorization.

125115910250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500463658 (or 500463648 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 32.

The spelling of 125115910250 in words is "one hundred twenty-five billion, one hundred fifteen million, nine hundred ten thousand, two hundred fifty".