2505055505530 has 32 divisors (see below), whose sum is σ = 4567061204496. Its totient is φ = 989193959424.

The previous prime is 2505055505521. The next prime is 2505055505531. The reversal of 2505055505530 is 355055505052.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 719601013849 + 1785454491681 = 848293^2 + 1336209^2 .

It is not an unprimeable number, because it can be changed into a prime (2505055505531) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2867469 + ... + 3637648.

Almost surely, 2^{2505055505530} is an apocalyptic number.

2505055505530 is a deficient number, since it is larger than the sum of its proper divisors (2062005698966).

2505055505530 is a wasteful number, since it uses less digits than its factorization.

2505055505530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6505618.

The product of its (nonzero) digits is 468750, while the sum is 40.

The spelling of 2505055505530 in words is "two trillion, five hundred five billion, fifty-five million, five hundred five thousand, five hundred thirty".