27775125250 has 16 divisors (see below), whose sum is σ = 51995034936. Its totient is φ = 11110050000.

The previous prime is 27775125247. The next prime is 27775125269. The reversal of 27775125250 is 5252157772.

It can be written as a sum of positive squares in 4 ways, for example, as 7761081409 + 20014043841 = 88097^2 + 141471^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27775125197 and 27775125206.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 55550001 + ... + 55550500.

Almost surely, 2^27775125250 is an apocalyptic number.

27775125250 is a deficient number, since it is larger than the sum of its proper divisors (24219909686).

27775125250 is a wasteful number, since it uses less digits than its factorization.

27775125250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111100518 (or 111100508 counting only the distinct ones).

The product of its (nonzero) digits is 343000, while the sum is 43.

The spelling of 27775125250 in words is "twenty-seven billion, seven hundred seventy-five million, one hundred twenty-five thousand, two hundred fifty".