2505505550555 has 32 divisors (see below), whose sum is σ = 3457085474304. Its totient is φ = 1707610899456.

The previous prime is 2505505550441. The next prime is 2505505550609. The reversal of 2505505550555 is 5550555055052.

It is not a de Polignac number, because 2505505550555 - 2¹⁰ = 2505505549531 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3462704 + ... + 4123266.

It is an arithmetic number, because the mean of its divisors is an integer number (108033921072).

Almost surely, 2^{2505505550555} is an apocalyptic number.

2505505550555 is a deficient number, since it is larger than the sum of its proper divisors (951579923749).

2505505550555 is a wasteful number, since it uses less digits than its factorization.

2505505550555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661235.

The product of its (nonzero) digits is 3906250, while the sum is 47.

The spelling of 2505505550555 in words is "two trillion, five hundred five billion, five hundred five million, five hundred fifty thousand, five hundred fifty-five".