2505502805500 has 48 divisors (see below), whose sum is σ = 5476297881600. Its totient is φ = 1001417284800.

The previous prime is 2505502805489. The next prime is 2505502805551. The reversal of 2505502805500 is 55082055052.

It is a self number, because there is not a number n which added to its sum of digits gives 2505502805500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1319455 + ... + 2598454.

It is an arithmetic number, because the mean of its divisors is an integer number (114089539200).

Almost surely, 2^{2505502805500} is an apocalyptic number.

2505502805500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2505502805500 is an abundant number, since it is smaller than the sum of its proper divisors (2970795076100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2505502805500 is a wasteful number, since it uses less digits than its factorization.

2505502805500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3919207 (or 3919195 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 2505502805500 in words is "two trillion, five hundred five billion, five hundred two million, eight hundred five thousand, five hundred".