25555275250 has 16 divisors (see below), whose sum is σ = 47839475736. Its totient is φ = 10222110000.

The previous prime is 25555275241. The next prime is 25555275259. The reversal of 25555275250 is 5257255552.

It is an interprime number because it is at equal distance from previous prime (25555275241) and next prime (25555275259).

It can be written as a sum of positive squares in 4 ways, for example, as 6438618081 + 19116657169 = 80241^2 + 138263^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25555275197 and 25555275206.

It is not an unprimeable number, because it can be changed into a prime (25555275259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51110301 + ... + 51110800.

Almost surely, 2^25555275250 is an apocalyptic number.

25555275250 is a deficient number, since it is larger than the sum of its proper divisors (22284200486).

25555275250 is a wasteful number, since it uses less digits than its factorization.

25555275250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102221118 (or 102221108 counting only the distinct ones).

The product of its (nonzero) digits is 875000, while the sum is 43.

The spelling of 25555275250 in words is "twenty-five billion, five hundred fifty-five million, two hundred seventy-five thousand, two hundred fifty".