1113511144 has 96 divisors (see below), whose sum is σ = 2321272800. Its totient is φ = 499847040.

The previous prime is 1113511127. The next prime is 1113511193. The reversal of 1113511144 is 4411153111.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5277199 + ... + 5277409.

It is an arithmetic number, because the mean of its divisors is an integer number (24179925).

Almost surely, 2^1113511144 is an apocalyptic number.

It is an amenable number.

1113511144 is an abundant number, since it is smaller than the sum of its proper divisors (1207761656).

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

1113511144 is a wasteful number, since it uses less digits than its factorization.

1113511144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 308 counting only the distinct ones).

The product of its digits is 240, while the sum is 22.

The square root of 1113511144 is about 33369.3144071016. The cubic root of 1113511144 is about 1036.4893783710.

Adding to 1113511144 its reverse (4411153111), we get a palindrome (5524664255).

The spelling of 1113511144 in words is "one billion, one hundred thirteen million, five hundred eleven thousand, one hundred forty-four".