2505050550025 has 18 divisors (see below), whose sum is σ = 3108018624362. Its totient is φ = 2002908211200.

The previous prime is 2505050549987. The next prime is 2505050550083. The reversal of 2505050550025 is 5200550505052.

It can be written as a sum of positive squares in 9 ways, for example, as 1003464996361 + 1501585553664 = 1001731^2 + 1225392^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2505050550025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 89193985 + ... + 89222065.

Almost surely, 2^{2505050550025} is an apocalyptic number.

2505050550025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2505050550025 is a deficient number, since it is larger than the sum of its proper divisors (602968074337).

2505050550025 is an frugal number, since it uses more digits than its factorization.

2505050550025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31869 (or 29975 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 34.

The spelling of 2505050550025 in words is "two trillion, five hundred five billion, fifty million, five hundred fifty thousand, twenty-five".