11601451065220 has 12 divisors (see below), whose sum is σ = 24363047237004. Its totient is φ = 4640580426080.

The previous prime is 11601451065173. The next prime is 11601451065227. The reversal of 11601451065220 is 2256015410611.

11601451065220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2711798736516 + 8889652328704 = 1646754^2 + 2981552^2 .

It is not an unprimeable number, because it can be changed into a prime (11601451065227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290036276611 + ... + 290036276650.

It is an arithmetic number, because the mean of its divisors is an integer number (2030253936417).

Almost surely, 2^{11601451065220} is an apocalyptic number.

11601451065220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11601451065220 is an abundant number, since it is smaller than the sum of its proper divisors (12761596171784).

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

11601451065220 is a wasteful number, since it uses less digits than its factorization.

11601451065220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580072553270 (or 580072553268 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

Adding to 11601451065220 its reverse (2256015410611), we get a palindrome (13857466475831).

The spelling of 11601451065220 in words is "eleven trillion, six hundred one billion, four hundred fifty-one million, sixty-five thousand, two hundred twenty".