11223315400 has 96 divisors (see below), whose sum is σ = 29160946080. Its totient is φ = 3981632000.

The previous prime is 11223315379. The next prime is 11223315427. The reversal of 11223315400 is 451332211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27987 + ... + 152413.

It is an arithmetic number, because the mean of its divisors is an integer number (303759855).

Almost surely, 2^11223315400 is an apocalyptic number.

11223315400 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 11223315400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14580473040).

11223315400 is an abundant number, since it is smaller than the sum of its proper divisors (17937630680).

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

11223315400 is a wasteful number, since it uses less digits than its factorization.

11223315400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124495 (or 124486 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 11223315400 its reverse (451332211), we get a palindrome (11674647611).

It can be divided in two parts, 11223 and 315400, that added together give a palindrome (326623).

The spelling of 11223315400 in words is "eleven billion, two hundred twenty-three million, three hundred fifteen thousand, four hundred".