11581068 has 12 divisors (see below), whose sum is σ = 27022520. Its totient is φ = 3860352.

The previous prime is 11581067. The next prime is 11581069. The reversal of 11581068 is 86018511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11581067) and next prime (11581069).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×11581068² = 268242272041248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11581067) 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 3 ways as a sum of consecutive naturals, for example, 482533 + ... + 482556.

Almost surely, 2^11581068 is an apocalyptic number.

It is an amenable number.

11581068 is an abundant number, since it is smaller than the sum of its proper divisors (15441452).

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

11581068 is a wasteful number, since it uses less digits than its factorization.

11581068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965096 (or 965094 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 30.

The square root of 11581068 is about 3403.0968249522. The cubic root of 11581068 is about 226.2470215210.

Adding to 11581068 its reverse (86018511), we get a palindrome (97599579).

The spelling of 11581068 in words is "eleven million, five hundred eighty-one thousand, sixty-eight".