1133111132 has 72 divisors (see below), whose sum is σ = 2288926080. Its totient is φ = 488540160.

The previous prime is 1133111131. The next prime is 1133111143. The reversal of 1133111132 is 2311113311.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1133111132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133111131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 760244 + ... + 761732.

It is an arithmetic number, because the mean of its divisors is an integer number (31790640).

Almost surely, 2^1133111132 is an apocalyptic number.

It is an amenable number.

1133111132 is an abundant number, since it is smaller than the sum of its proper divisors (1155814948).

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

1133111132 is a wasteful number, since it uses less digits than its factorization.

1133111132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579 (or 1558 counting only the distinct ones).

The product of its digits is 54, while the sum is 17.

The square root of 1133111132 is about 33661.7161178690. The cubic root of 1133111132 is about 1042.5354593846.

Adding to 1133111132 its reverse (2311113311), we get a palindrome (3444224443).

The spelling of 1133111132 in words is "one billion, one hundred thirty-three million, one hundred eleven thousand, one hundred thirty-two".