11613205636020 has 192 divisors, whose sum is σ = 36509167860480. Its totient is φ = 3064388544000.

The previous prime is 11613205636013. The next prime is 11613205636051. The reversal of 11613205636020 is 2063650231611.

11613205636020 is a `hidden beast` number, since 1 + 1 + 6 + 1 + 32 + 0 + 563 + 60 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93910630 + ... + 94034210.

It is an arithmetic number, because the mean of its divisors is an integer number (190151915940).

Almost surely, 2^{11613205636020} is an apocalyptic number.

11613205636020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11613205636020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18254583930240).

11613205636020 is an abundant number, since it is smaller than the sum of its proper divisors (24895962224460).

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

11613205636020 is a wasteful number, since it uses less digits than its factorization.

11613205636020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125423 (or 125415 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

Adding to 11613205636020 its reverse (2063650231611), we get a palindrome (13676855867631).

The spelling of 11613205636020 in words is "eleven trillion, six hundred thirteen billion, two hundred five million, six hundred thirty-six thousand, twenty".