2511880868 has 24 divisors (see below), whose sum is σ = 5108913600. Its totient is φ = 1058273568.

The previous prime is 2511880859. The next prime is 2511880873. The reversal of 2511880868 is 8680881152.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758603 + ... + 761906.

It is an arithmetic number, because the mean of its divisors is an integer number (212871400).

Almost surely, 2^2511880868 is an apocalyptic number.

2511880868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2511880868 is an abundant number, since it is smaller than the sum of its proper divisors (2597032732).

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

2511880868 is a wasteful number, since it uses less digits than its factorization.

2511880868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520579 (or 1520577 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 47.

The square root of 2511880868 is about 50118.6678593915. The cubic root of 2511880868 is about 1359.3553872772.

The spelling of 2511880868 in words is "two billion, five hundred eleven million, eight hundred eighty thousand, eight hundred sixty-eight".