1163531052 has 36 divisors (see below), whose sum is σ = 2944805136. Its totient is φ = 387361440.

The previous prime is 1163531041. The next prime is 1163531071. The reversal of 1163531052 is 2501353611.

1163531052 is a `hidden beast` number, since 11 + 635 + 3 + 10 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9873 + ... + 49239.

Almost surely, 2^1163531052 is an apocalyptic number.

1163531052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1163531052 is an abundant number, since it is smaller than the sum of its proper divisors (1781274084).

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

1163531052 is a wasteful number, since it uses less digits than its factorization.

1163531052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40198 (or 40193 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 1163531052 is about 34110.5709714745. The cubic root of 1163531052 is about 1051.7826262744.

Adding to 1163531052 its reverse (2501353611), we get a palindrome (3664884663).

The spelling of 1163531052 in words is "one billion, one hundred sixty-three million, five hundred thirty-one thousand, fifty-two".