11684471805810 has 384 divisors, whose sum is σ = 34280174073600. Its totient is φ = 2828756044800.

The previous prime is 11684471805791. The next prime is 11684471805863. The reversal of 11684471805810 is 1850817448611.

It is a happy number.

11684471805810 is a `hidden beast` number, since 1 + 1 + 6 + 8 + 4 + 47 + 18 + 0 + 581 + 0 = 666.

It is a super-2 number, since 2×11684471805810² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 11117479785 + ... + 11117480835.

It is an arithmetic number, because the mean of its divisors is an integer number (89271286650).

Almost surely, 2^{11684471805810} is an apocalyptic number.

11684471805810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11684471805810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17140087036800).

11684471805810 is an abundant number, since it is smaller than the sum of its proper divisors (22595702267790).

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

11684471805810 is an frugal number, since it uses more digits than its factorization.

11684471805810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 54.

The spelling of 11684471805810 in words is "eleven trillion, six hundred eighty-four billion, four hundred seventy-one million, eight hundred five thousand, eight hundred ten".