11566011060 has 60 divisors (see below), whose sum is σ = 36283010148. Its totient is φ = 3084269184.

The previous prime is 11566011029. The next prime is 11566011097. The reversal of 11566011060 is 6011066511.

11566011060 is a `hidden beast` number, since 1 + 1 + 56 + 601 + 1 + 0 + 6 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7038874404 + 4527136656 = 83898^2 + 67284^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×11566011060² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3568137 + ... + 3571376.

Almost surely, 2^11566011060 is an apocalyptic number.

11566011060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11566011060 is an abundant number, since it is smaller than the sum of its proper divisors (24716999088).

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

11566011060 is a wasteful number, since it uses less digits than its factorization.

11566011060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7139534 (or 7139523 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

Adding to 11566011060 its reverse (6011066511), we get a palindrome (17577077571).

The spelling of 11566011060 in words is "eleven billion, five hundred sixty-six million, eleven thousand, sixty".