11113031200 has 36 divisors (see below), whose sum is σ = 27129689370. Its totient is φ = 4445212160.

The previous prime is 11113031177. The next prime is 11113031203. The reversal of 11113031200 is 213031111.

It can be written as a sum of positive squares in 3 ways, for example, as 5241180816 + 5871850384 = 72396^2 + 76628^2 .

It is not an unprimeable number, because it can be changed into a prime (11113031203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6944845 + ... + 6946444.

Almost surely, 2^11113031200 is an apocalyptic number.

11113031200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11113031200 is an abundant number, since it is smaller than the sum of its proper divisors (16016658170).

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

11113031200 is a wasteful number, since it uses less digits than its factorization.

11113031200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13891309 (or 13891296 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11113031200 its reverse (213031111), we get a palindrome (11326062311).

The spelling of 11113031200 in words is "eleven billion, one hundred thirteen million, thirty-one thousand, two hundred".