11655865676 has 48 divisors (see below), whose sum is σ = 25139493120. Its totient is φ = 4604765760.

The previous prime is 11655865631. The next prime is 11655865681. The reversal of 11655865676 is 67656855611.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247331 + ... + 290661.

It is an arithmetic number, because the mean of its divisors is an integer number (523739440).

Almost surely, 2^11655865676 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 11655865676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12569746560).

11655865676 is an abundant number, since it is smaller than the sum of its proper divisors (13483627444).

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

11655865676 is a wasteful number, since it uses less digits than its factorization.

11655865676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44094 (or 44092 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 56.

The spelling of 11655865676 in words is "eleven billion, six hundred fifty-five million, eight hundred sixty-five thousand, six hundred seventy-six".