2505155305 has 16 divisors (see below), whose sum is σ = 3027689280. Its totient is φ = 1989842112.

The previous prime is 2505155273. The next prime is 2505155311. The reversal of 2505155305 is 5035515052.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2505155305 - 2⁵ = 2505155273 is a prime.

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, 409882 + ... + 415948.

It is an arithmetic number, because the mean of its divisors is an integer number (189230580).

Almost surely, 2^2505155305 is an apocalyptic number.

It is an amenable number.

2505155305 is a deficient number, since it is larger than the sum of its proper divisors (522533975).

2505155305 is a wasteful number, since it uses less digits than its factorization.

2505155305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6648.

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 2505155305 is about 50051.5265001978. The cubic root of 2505155305 is about 1358.1410778204.

The spelling of 2505155305 in words is "two billion, five hundred five million, one hundred fifty-five thousand, three hundred five".