2511255505 has 16 divisors (see below), whose sum is σ = 3289616064. Its totient is φ = 1825170880.

The previous prime is 2511255499. The next prime is 2511255511. The reversal of 2511255505 is 5055521152.

It is an interprime number because it is at equal distance from previous prime (2511255499) and next prime (2511255511).

It is not a de Polignac number, because 2511255505 - 2²⁵ = 2477701073 is a prime.

It is a super-2 number, since 2×2511255505² = 12612808422785610050, which contains 22 as substring.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 74562 + ... + 102868.

It is an arithmetic number, because the mean of its divisors is an integer number (205601004).

Almost surely, 2^2511255505 is an apocalyptic number.

It is an amenable number.

2511255505 is a deficient number, since it is larger than the sum of its proper divisors (778360559).

2511255505 is a wasteful number, since it uses less digits than its factorization.

2511255505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29936.

The product of its (nonzero) digits is 12500, while the sum is 31.

The square root of 2511255505 is about 50112.4286479911. The cubic root of 2511255505 is about 1359.2425686147.

Adding to 2511255505 its reverse (5055521152), we get a palindrome (7566776657).

The spelling of 2511255505 in words is "two billion, five hundred eleven million, two hundred fifty-five thousand, five hundred five".