11613303446220 has 480 divisors, whose sum is σ = 42655331980800. Its totient is φ = 2643862032000.

The previous prime is 11613303446209. The next prime is 11613303446221. The reversal of 11613303446220 is 2264430331611.

11613303446220 is a `hidden beast` number, since 1 + 1 + 61 + 3 + 30 + 344 + 6 + 220 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (11613303446221) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 139429027 + ... + 139512293.

It is an arithmetic number, because the mean of its divisors is an integer number (88865274960).

Almost surely, 2^{11613303446220} is an apocalyptic number.

11613303446220 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 11613303446220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21327665990400).

11613303446220 is an abundant number, since it is smaller than the sum of its proper divisors (31042028534580).

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

11613303446220 is a wasteful number, since it uses less digits than its factorization.

11613303446220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83560 (or 83535 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

Adding to 11613303446220 its reverse (2264430331611), we get a palindrome (13877733777831).

The spelling of 11613303446220 in words is "eleven trillion, six hundred thirteen billion, three hundred three million, four hundred forty-six thousand, two hundred twenty".