11868685618220 has 24 divisors (see below), whose sum is σ = 24928790738544. Its totient is φ = 4746607401536.

The previous prime is 11868685618217. The next prime is 11868685618331. The reversal of 11868685618220 is 2281658686811.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54065582 + ... + 54284661.

It is an arithmetic number, because the mean of its divisors is an integer number (1038699614106).

Almost surely, 2^{11868685618220} is an apocalyptic number.

11868685618220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11868685618220 is an abundant number, since it is smaller than the sum of its proper divisors (13060105120324).

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

11868685618220 is a wasteful number, since it uses less digits than its factorization.

11868685618220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108355729 (or 108355727 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 62.

The spelling of 11868685618220 in words is "eleven trillion, eight hundred sixty-eight billion, six hundred eighty-five million, six hundred eighteen thousand, two hundred twenty".