11864682580 has 12 divisors (see below), whose sum is σ = 24915833460. Its totient is φ = 4745873024.

The previous prime is 11864682559. The next prime is 11864682611. The reversal of 11864682580 is 8528646811.

It can be written as a sum of positive squares in 2 ways, for example, as 5376702276 + 6487980304 = 73326^2 + 80548^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 296617045 + ... + 296617084.

It is an arithmetic number, because the mean of its divisors is an integer number (2076319455).

Almost surely, 2^11864682580 is an apocalyptic number.

11864682580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11864682580 is an abundant number, since it is smaller than the sum of its proper divisors (13051150880).

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

11864682580 is a wasteful number, since it uses less digits than its factorization.

11864682580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593234138 (or 593234136 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 49.

The spelling of 11864682580 in words is "eleven billion, eight hundred sixty-four million, six hundred eighty-two thousand, five hundred eighty".