11809301839020 has 216 divisors, whose sum is σ = 44121140036064. Its totient is φ = 2540488430592.

The previous prime is 11809301839009. The next prime is 11809301839021. The reversal of 11809301839020 is 2093810390811.

11809301839020 is a `hidden beast` number, since 1 + 180 + 9 + 301 + 83 + 90 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (11809301839021) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 39230152 + ... + 39530031.

It is an arithmetic number, because the mean of its divisors is an integer number (204264537204).

Almost surely, 2^{11809301839020} is an apocalyptic number.

11809301839020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11809301839020 is an abundant number, since it is smaller than the sum of its proper divisors (32311838197044).

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

11809301839020 is a wasteful number, since it uses less digits than its factorization.

11809301839020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78760229 (or 78760217 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 11809301839020 in words is "eleven trillion, eight hundred nine billion, three hundred one million, eight hundred thirty-nine thousand, twenty".