25555055025050 has 12 divisors (see below), whose sum is σ = 47532402346686. Its totient is φ = 10222022010000.

The previous prime is 25555055025001. The next prime is 25555055025061. The reversal of 25555055025050 is 5052055055552.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 24575487572689 + 979567452361 = 4957367^2 + 989731^2 .

It is a super-2 number, since 2×25555055025050² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25555055024992 and 25555055025010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 255550550201 + ... + 255550550300.

Almost surely, 2^{25555055025050} is an apocalyptic number.

25555055025050 is a deficient number, since it is larger than the sum of its proper divisors (21977347321636).

25555055025050 is a wasteful number, since it uses less digits than its factorization.

25555055025050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511101100513 (or 511101100508 counting only the distinct ones).

The product of its (nonzero) digits is 1562500, while the sum is 44.

The spelling of 25555055025050 in words is "twenty-five trillion, five hundred fifty-five billion, fifty-five million, twenty-five thousand, fifty".