1113789600 has 864 divisors, whose sum is σ = 5118422400. Its totient is φ = 225792000.

The previous prime is 1113789581. The next prime is 1113789617. The reversal of 1113789600 is 69873111.

1113789600 is a `hidden beast` number, since 1 + 11 + 37 + 8 + 9 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 27165580 + ... + 27165620.

It is an arithmetic number, because the mean of its divisors is an integer number (5924100).

Almost surely, 2^1113789600 is an apocalyptic number.

1113789600 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 1113789600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2559211200).

1113789600 is an abundant number, since it is smaller than the sum of its proper divisors (4004632800).

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

1113789600 is a wasteful number, since it uses less digits than its factorization.

1113789600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 1113789600 is about 33373.4864825358. The cubic root of 1113789600 is about 1036.5757695529.

The spelling of 1113789600 in words is "one billion, one hundred thirteen million, seven hundred eighty-nine thousand, six hundred".