11045131423220 has 24 divisors (see below), whose sum is σ = 23433897394824. Its totient is φ = 4372505634816.

The previous prime is 11045131423217. The next prime is 11045131423231. The reversal of 11045131423220 is 2232413154011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25148250724 + 11019983172496 = 158582^2 + 3319636^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2846681417 + ... + 2846685296.

It is an arithmetic number, because the mean of its divisors is an integer number (976412391451).

Almost surely, 2^{11045131423220} is an apocalyptic number.

11045131423220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11045131423220 is an abundant number, since it is smaller than the sum of its proper divisors (12388765971604).

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

11045131423220 is a wasteful number, since it uses less digits than its factorization.

11045131423220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5693366819 (or 5693366817 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 11045131423220 its reverse (2232413154011), we get a palindrome (13277544577231).

The spelling of 11045131423220 in words is "eleven trillion, forty-five billion, one hundred thirty-one million, four hundred twenty-three thousand, two hundred twenty".