2511217852 has 48 divisors (see below), whose sum is σ = 5183789184. Its totient is φ = 1049400000.

The previous prime is 2511217829. The next prime is 2511217913. The reversal of 2511217852 is 2587121152.

2511217852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 134827 + ... + 152317.

It is an arithmetic number, because the mean of its divisors is an integer number (107995608).

Almost surely, 2^2511217852 is an apocalyptic number.

2511217852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2511217852 is an abundant number, since it is smaller than the sum of its proper divisors (2672571332).

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

2511217852 is a wasteful number, since it uses less digits than its factorization.

2511217852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17770 (or 17768 counting only the distinct ones).

The product of its digits is 11200, while the sum is 34.

The square root of 2511217852 is about 50112.0529613386. The cubic root of 2511217852 is about 1359.2357752244.

The spelling of 2511217852 in words is "two billion, five hundred eleven million, two hundred seventeen thousand, eight hundred fifty-two".