11281822472 has 60 divisors (see below), whose sum is σ = 22959429405. Its totient is φ = 5196133504.

The previous prime is 11281822457. The next prime is 11281822493. The reversal of 11281822472 is 27422818211.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 10325404996 + 956417476 = 101614^2 + 30926^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=75106.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 240038753 + ... + 240038799.

Almost surely, 2^11281822472 is an apocalyptic number.

It is an amenable number.

11281822472 is an abundant number, since it is smaller than the sum of its proper divisors (11677606933).

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

11281822472 is an frugal number, since it uses more digits than its factorization.

11281822472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 66 counting only the distinct ones).

The product of its digits is 28672, while the sum is 38.

The spelling of 11281822472 in words is "eleven billion, two hundred eighty-one million, eight hundred twenty-two thousand, four hundred seventy-two".