1163135115 has 12 divisors (see below), whose sum is σ = 2016100944. Its totient is φ = 620338704.

The previous prime is 1163135111. The next prime is 1163135117. The reversal of 1163135115 is 5115313611.

It is a happy number.

1163135115 is a `hidden beast` number, since 11 + 631 + 3 + 5 + 1 + 15 = 666.

It is not a de Polignac number, because 1163135115 - 2² = 1163135111 is a prime.

It is a super-3 number, since 3×1163135115³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1163135111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12923679 + ... + 12923768.

It is an arithmetic number, because the mean of its divisors is an integer number (168008412).

Almost surely, 2^1163135115 is an apocalyptic number.

1163135115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1163135115 is a deficient number, since it is larger than the sum of its proper divisors (852965829).

1163135115 is a wasteful number, since it uses less digits than its factorization.

1163135115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25847458 (or 25847455 counting only the distinct ones).

The product of its digits is 1350, while the sum is 27.

The square root of 1163135115 is about 34104.7667489458. The cubic root of 1163135115 is about 1051.6633093318.

Adding to 1163135115 its reverse (5115313611), we get a palindrome (6278448726).

The spelling of 1163135115 in words is "one billion, one hundred sixty-three million, one hundred thirty-five thousand, one hundred fifteen".