11963756616 has 128 divisors (see below), whose sum is σ = 34557788160. Its totient is φ = 3380832000.

The previous prime is 11963756593. The next prime is 11963756669. The reversal of 11963756616 is 61665736911.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9195166 + ... + 9196466.

It is an arithmetic number, because the mean of its divisors is an integer number (269982720).

Almost surely, 2^11963756616 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 11963756616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17278894080).

11963756616 is an abundant number, since it is smaller than the sum of its proper divisors (22594031544).

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

11963756616 is a wasteful number, since it uses less digits than its factorization.

11963756616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875 (or 1871 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 51.

The spelling of 11963756616 in words is "eleven billion, nine hundred sixty-three million, seven hundred fifty-six thousand, six hundred sixteen".