11886633660 has 48 divisors (see below), whose sum is σ = 36308264832. Its totient is φ = 2881608000.

The previous prime is 11886633607. The next prime is 11886633683. The reversal of 11886633660 is 6633668811.

It is a congruent number.

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, 9004366 + ... + 9005685.

It is an arithmetic number, because the mean of its divisors is an integer number (756422184).

Almost surely, 2^11886633660 is an apocalyptic number.

11886633660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11886633660 is an abundant number, since it is smaller than the sum of its proper divisors (24421631172).

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

11886633660 is a wasteful number, since it uses less digits than its factorization.

11886633660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18010074 (or 18010072 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

It can be divided in two parts, 11886 and 633660, that added together give a palindrome (645546).

The spelling of 11886633660 in words is "eleven billion, eight hundred eighty-six million, six hundred thirty-three thousand, six hundred sixty".