11456344232220 has 96 divisors (see below), whose sum is σ = 33645882396672. Its totient is φ = 2907056959488.

The previous prime is 11456344232161. The next prime is 11456344232231. The reversal of 11456344232220 is 2223244365411.

It is a super-2 number, since 2×11456344232220² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21240652 + ... + 21773331.

It is an arithmetic number, because the mean of its divisors is an integer number (350477941632).

Almost surely, 2^{11456344232220} is an apocalyptic number.

11456344232220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11456344232220 is an abundant number, since it is smaller than the sum of its proper divisors (22189538164452).

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

11456344232220 is a wasteful number, since it uses less digits than its factorization.

11456344232220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43014211 (or 43014209 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

Adding to 11456344232220 its reverse (2223244365411), we get a palindrome (13679588597631).

The spelling of 11456344232220 in words is "eleven trillion, four hundred fifty-six billion, three hundred forty-four million, two hundred thirty-two thousand, two hundred twenty".