2511255506 has 32 divisors (see below), whose sum is σ = 4001166720. Its totient is φ = 1179674496.

The previous prime is 2511255499. The next prime is 2511255511. The reversal of 2511255506 is 6055521152.

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, 640805 + ... + 644711.

It is an arithmetic number, because the mean of its divisors is an integer number (125036460).

Almost surely, 2^2511255506 is an apocalyptic number.

2511255506 is a deficient number, since it is larger than the sum of its proper divisors (1489911214).

2511255506 is a wasteful number, since it uses less digits than its factorization.

2511255506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4178.

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 2511255506 is about 50112.4286579687. The cubic root of 2511255506 is about 1359.2425687951.

Adding to 2511255506 its reverse (6055521152), we get a palindrome (8566776658).

The spelling of 2511255506 in words is "two billion, five hundred eleven million, two hundred fifty-five thousand, five hundred six".