1155131132 has 12 divisors (see below), whose sum is σ = 2091185880. Its totient is φ = 557649456.

The previous prime is 1155131119. The next prime is 1155131141. The reversal of 1155131132 is 2311315511.

It is a junction number, because it is equal to n+sod(n) for n = 1155131098 and 1155131107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4978898 + ... + 4979129.

It is an arithmetic number, because the mean of its divisors is an integer number (174265490).

Almost surely, 2^1155131132 is an apocalyptic number.

It is an amenable number.

1155131132 is a deficient number, since it is larger than the sum of its proper divisors (936054748).

1155131132 is a wasteful number, since it uses less digits than its factorization.

1155131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9958060 (or 9958058 counting only the distinct ones).

The product of its digits is 450, while the sum is 23.

The square root of 1155131132 is about 33987.2201275715. The cubic root of 1155131132 is about 1049.2454539711.

Adding to 1155131132 its reverse (2311315511), we get a palindrome (3466446643).

The spelling of 1155131132 in words is "one billion, one hundred fifty-five million, one hundred thirty-one thousand, one hundred thirty-two".