11588666628 has 96 divisors (see below), whose sum is σ = 33739130880. Its totient is φ = 3007664640.

The previous prime is 11588666627. The next prime is 11588666629. The reversal of 11588666628 is 82666688511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11588666627) and next prime (11588666629).

It is not an unprimeable number, because it can be changed into a prime (11588666627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1371625 + ... + 1380047.

It is an arithmetic number, because the mean of its divisors is an integer number (351449280).

Almost surely, 2^11588666628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11588666628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16869565440).

11588666628 is an abundant number, since it is smaller than the sum of its proper divisors (22150464252).

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

11588666628 is a wasteful number, since it uses less digits than its factorization.

11588666628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9937 (or 9935 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 57.

The spelling of 11588666628 in words is "eleven billion, five hundred eighty-eight million, six hundred sixty-six thousand, six hundred twenty-eight".