1113111133200 has 720 divisors, whose sum is σ = 4329756377856. Its totient is φ = 262501171200.

The previous prime is 1113111133159. The next prime is 1113111133223. The reversal of 1113111133200 is 23311113111.

1113111133200 is a `hidden beast` number, since 1 + 11 + 311 + 11 + 332 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 321985872 + ... + 321989328.

Almost surely, 2^{1113111133200} is an apocalyptic number.

1113111133200 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 1113111133200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2164878188928).

1113111133200 is an abundant number, since it is smaller than the sum of its proper divisors (3216645244656).

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

1113111133200 is a wasteful number, since it uses less digits than its factorization.

1113111133200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712 (or 3698 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1113111133200 its reverse (23311113111), we get a palindrome (1136422246311).

The spelling of 1113111133200 in words is "one trillion, one hundred thirteen billion, one hundred eleven million, one hundred thirty-three thousand, two hundred".