1113255312 has 80 divisors (see below), whose sum is σ = 3127383168. Its totient is φ = 339194880.

The previous prime is 1113255211. The next prime is 1113255347. The reversal of 1113255312 is 2135523111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55612 + ... + 72932.

Almost surely, 2^1113255312 is an apocalyptic number.

1113255312 is a gapful number since it is divisible by the number (12) 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 1113255312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1563691584).

1113255312 is an abundant number, since it is smaller than the sum of its proper divisors (2014127856).

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

1113255312 is a wasteful number, since it uses less digits than its factorization.

1113255312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17448 (or 17442 counting only the distinct ones).

The product of its digits is 900, while the sum is 24.

The square root of 1113255312 is about 33365.4808447293. The cubic root of 1113255312 is about 1036.4099936062.

Adding to 1113255312 its reverse (2135523111), we get a palindrome (3248778423).

The spelling of 1113255312 in words is "one billion, one hundred thirteen million, two hundred fifty-five thousand, three hundred twelve".