125415950025 has 72 divisors (see below), whose sum is σ = 231863051680. Its totient is φ = 59640330240.

The previous prime is 125415949961. The next prime is 125415950047. The reversal of 125415950025 is 520059514521.

It is not a de Polignac number, because 125415950025 - 2⁶ = 125415949961 is a prime.

It is a Curzon number.

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, 259557 + ... + 564093.

Almost surely, 2^125415950025 is an apocalyptic number.

125415950025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125415950025 is a deficient number, since it is larger than the sum of its proper divisors (106447101655).

125415950025 is a wasteful number, since it uses less digits than its factorization.

125415950025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304603 (or 304581 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 39.

The spelling of 125415950025 in words is "one hundred twenty-five billion, four hundred fifteen million, nine hundred fifty thousand, twenty-five".