11230433280 has 624 divisors, whose sum is σ = 44160629760. Its totient is φ = 2614886400.

The previous prime is 11230433233. The next prime is 11230433297. The reversal of 11230433280 is 8233403211.

It is a super-2 number, since 2×11230433280² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58797985 + ... + 58798175.

It is an arithmetic number, because the mean of its divisors is an integer number (70770240).

Almost surely, 2^11230433280 is an apocalyptic number.

11230433280 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 11230433280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22080314880).

11230433280 is an abundant number, since it is smaller than the sum of its proper divisors (32930196480).

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

11230433280 is a wasteful number, since it uses less digits than its factorization.

11230433280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 11230433280 its reverse (8233403211), we get a palindrome (19463836491).

The spelling of 11230433280 in words is "eleven billion, two hundred thirty million, four hundred thirty-three thousand, two hundred eighty".