2505250275550 has 48 divisors (see below), whose sum is σ = 5093487245952. Its totient is φ = 909188866400.

The previous prime is 2505250275533. The next prime is 2505250275587. The reversal of 2505250275550 is 555720525052.

It is a junction number, because it is equal to n+sod(n) for n = 2505250275497 and 2505250275506.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 4251184 + ... + 4804483.

It is an arithmetic number, because the mean of its divisors is an integer number (106114317624).

Almost surely, 2^{2505250275550} is an apocalyptic number.

2505250275550 is an abundant number, since it is smaller than the sum of its proper divisors (2588236970402).

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

2505250275550 is a wasteful number, since it uses less digits than its factorization.

2505250275550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9056193 (or 9056188 counting only the distinct ones).

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

The spelling of 2505250275550 in words is "two trillion, five hundred five billion, two hundred fifty million, two hundred seventy-five thousand, five hundred fifty".