11765030656 has 72 divisors (see below), whose sum is σ = 24549829920. Its totient is φ = 5616500736.

The previous prime is 11765030653. The next prime is 11765030687. The reversal of 11765030656 is 65603056711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11765030653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3961140 + ... + 3964108.

It is an arithmetic number, because the mean of its divisors is an integer number (340969860).

Almost surely, 2^11765030656 is an apocalyptic number.

11765030656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11765030656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12274914960).

11765030656 is an abundant number, since it is smaller than the sum of its proper divisors (12784799264).

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

11765030656 is an equidigital number, since it uses as much as digits as its factorization.

11765030656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681 (or 3667 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 11765030656 in words is "eleven billion, seven hundred sixty-five million, thirty thousand, six hundred fifty-six".