11530606188 has 12 divisors (see below), whose sum is σ = 26904747800. Its totient is φ = 3843535392.

The previous prime is 11530606187. The next prime is 11530606207. The reversal of 11530606188 is 88160603511.

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

It is not an unprimeable number, because it can be changed into a prime (11530606181) 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, 480441913 + ... + 480441936.

Almost surely, 2^11530606188 is an apocalyptic number.

It is an amenable number.

11530606188 is an abundant number, since it is smaller than the sum of its proper divisors (15374141612).

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

11530606188 is a wasteful number, since it uses less digits than its factorization.

11530606188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960883856 (or 960883854 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 11530606188 in words is "eleven billion, five hundred thirty million, six hundred six thousand, one hundred eighty-eight".