1250075138825 has 12 divisors (see below), whose sum is σ = 1550108680668. Its totient is φ = 1000050105600.

The previous prime is 1250075138779. The next prime is 1250075138827. The reversal of 1250075138825 is 5288315700521.

It can be written as a sum of positive squares in 6 ways, for example, as 49884775801 + 1200190363024 = 223349^2 + 1095532^2 .

It is not a de Polignac number, because 1250075138825 - 2¹⁴ = 1250075122441 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 1250075138825.

It is not an unprimeable number, because it can be changed into a prime (1250075138827) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3269909 + ... + 3632141.

It is an arithmetic number, because the mean of its divisors is an integer number (129175723389).

Almost surely, 2^{1250075138825} is an apocalyptic number.

It is an amenable number.

1250075138825 is a deficient number, since it is larger than the sum of its proper divisors (300033541843).

1250075138825 is a wasteful number, since it uses less digits than its factorization.

1250075138825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500284 (or 500279 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 47.

The spelling of 1250075138825 in words is "one trillion, two hundred fifty billion, seventy-five million, one hundred thirty-eight thousand, eight hundred twenty-five".