1163081132 has 12 divisors (see below), whose sum is σ = 2035635336. Its totient is φ = 581471040.

The previous prime is 1163081099. The next prime is 1163081137. The reversal of 1163081132 is 2311803611.

It is a super-2 number, since 2×1163081132² = 2705515439228802848, which contains 22 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1163081137) 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, 45668 + ... + 66420.

It is an arithmetic number, because the mean of its divisors is an integer number (169636278).

Almost surely, 2^1163081132 is an apocalyptic number.

It is an amenable number.

1163081132 is a deficient number, since it is larger than the sum of its proper divisors (872554204).

1163081132 is a wasteful number, since it uses less digits than its factorization.

1163081132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34768 (or 34766 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1163081132 is about 34103.9753108050. The cubic root of 1163081132 is about 1051.6470392762.

Adding to 1163081132 its reverse (2311803611), we get a palindrome (3474884743).

The spelling of 1163081132 in words is "one billion, one hundred sixty-three million, eighty-one thousand, one hundred thirty-two".