11223541551200 has 144 divisors (see below), whose sum is σ = 29979035062704. Its totient is φ = 4069176115200.

The previous prime is 11223541551169. The next prime is 11223541551241. The reversal of 11223541551200 is 215514532211.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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, 1073312 + ... + 4857888.

It is an arithmetic number, because the mean of its divisors is an integer number (208187743491).

Almost surely, 2^{11223541551200} is an apocalyptic number.

11223541551200 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 11223541551200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14989517531352).

11223541551200 is an abundant number, since it is smaller than the sum of its proper divisors (18755493511504).

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

11223541551200 is a wasteful number, since it uses less digits than its factorization.

11223541551200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784945 (or 3784932 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 11223541551200 in words is "eleven trillion, two hundred twenty-three billion, five hundred forty-one million, five hundred fifty-one thousand, two hundred".