12588780516 has 24 divisors (see below), whose sum is σ = 31633346304. Its totient is φ = 3873470880.

The previous prime is 12588780443. The next prime is 12588780521. The reversal of 12588780516 is 61508788521.

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 7 ways as a sum of consecutive naturals, for example, 40348500 + ... + 40348811.

It is an arithmetic number, because the mean of its divisors is an integer number (1318056096).

Almost surely, 2^12588780516 is an apocalyptic number.

It is an amenable number.

12588780516 is an abundant number, since it is smaller than the sum of its proper divisors (19044565788).

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

12588780516 is a wasteful number, since it uses less digits than its factorization.

12588780516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80697331 (or 80697329 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 51.

It can be divided in two parts, 125887 and 80516, that added together give a triangular number (206403 = T₆₄₂).

The spelling of 12588780516 in words is "twelve billion, five hundred eighty-eight million, seven hundred eighty thousand, five hundred sixteen".