125247750025 has 12 divisors (see below), whose sum is σ = 159504703372. Its totient is φ = 97490139840.

The previous prime is 125247750013. The next prime is 125247750091. The reversal of 125247750025 is 520057742521.

It can be written as a sum of positive squares in 6 ways, for example, as 2540462409 + 122707287616 = 50403^2 + 350296^2 .

It is not a de Polignac number, because 125247750025 - 2⁹ = 125247749513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125247750025.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67700562 + ... + 67702411.

Almost surely, 2^125247750025 is an apocalyptic number.

It is an amenable number.

125247750025 is a deficient number, since it is larger than the sum of its proper divisors (34256953347).

125247750025 is a wasteful number, since it uses less digits than its factorization.

125247750025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135403020 (or 135403015 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 40.

The spelling of 125247750025 in words is "one hundred twenty-five billion, two hundred forty-seven million, seven hundred fifty thousand, twenty-five".