250116261425 has 12 divisors (see below), whose sum is σ = 311350958796. Its totient is φ = 199314432000.

The previous prime is 250116261419. The next prime is 250116261467. The reversal of 250116261425 is 524162611052.

It can be written as a sum of positive squares in 6 ways, for example, as 51061085089 + 199055176336 = 225967^2 + 446156^2 .

It is not a de Polignac number, because 250116261425 - 2⁶ = 250116261361 is a prime.

It is a Duffinian number.

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, 19457876 + ... + 19470725.

It is an arithmetic number, because the mean of its divisors is an integer number (25945913233).

Almost surely, 2^250116261425 is an apocalyptic number.

250116261425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250116261425 is a deficient number, since it is larger than the sum of its proper divisors (61234697371).

250116261425 is a wasteful number, since it uses less digits than its factorization.

250116261425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38928868 (or 38928863 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 250116261425 its reverse (524162611052), we get a palindrome (774278872477).

The spelling of 250116261425 in words is "two hundred fifty billion, one hundred sixteen million, two hundred sixty-one thousand, four hundred twenty-five".