1133111544 has 16 divisors (see below), whose sum is σ = 2832778920. Its totient is φ = 377703840.

The previous prime is 1133111543. The next prime is 1133111647. The reversal of 1133111544 is 4451113311.

It is a super-2 number, since 2×1133111544² = 2567883542292127872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 47212981 = 1133111544 / (1 + 1 + 3 + 3 + 1 + 1 + 1 + 5 + 4 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133111543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23606467 + ... + 23606514.

Almost surely, 2^1133111544 is an apocalyptic number.

It is an amenable number.

1133111544 is an abundant number, since it is smaller than the sum of its proper divisors (1699667376).

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

1133111544 is a wasteful number, since it uses less digits than its factorization.

1133111544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47212990 (or 47212986 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 1133111544 is about 33661.7222375802. The cubic root of 1133111544 is about 1042.5355857402.

Adding to 1133111544 its reverse (4451113311), we get a palindrome (5584224855).

The spelling of 1133111544 in words is "one billion, one hundred thirty-three million, one hundred eleven thousand, five hundred forty-four".