1113183864 has 128 divisors (see below), whose sum is σ = 3361512000. Its totient is φ = 339282432.

The previous prime is 1113183853. The next prime is 1113183881. The reversal of 1113183864 is 4683813111.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304254 + ... + 307890.

Almost surely, 2^1113183864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113183864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1680756000).

1113183864 is an abundant number, since it is smaller than the sum of its proper divisors (2248328136).

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

1113183864 is a wasteful number, since it uses less digits than its factorization.

1113183864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3774 (or 3764 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 1113183864 is about 33364.4101401478. The cubic root of 1113183864 is about 1036.3878210926.

Adding to 1113183864 its reverse (4683813111), we get a palindrome (5796996975).

The spelling of 1113183864 in words is "one billion, one hundred thirteen million, one hundred eighty-three thousand, eight hundred sixty-four".