11788749312 has 80 divisors (see below), whose sum is σ = 31443320832. Its totient is φ = 3924910080.

The previous prime is 11788749307. The next prime is 11788749353. The reversal of 11788749312 is 21394788711.

It is a super-2 number, since 2×11788749312² (a number of 21 digits) contains 22 as substring.

It is a zygodrome in base 4.

It is an unprimeable number.

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, 1435137 + ... + 1443327.

Almost surely, 2^11788749312 is an apocalyptic number.

11788749312 is a gapful number since it is divisible by the number (12) 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 11788749312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15721660416).

11788749312 is an abundant number, since it is smaller than the sum of its proper divisors (19654571520).

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

11788749312 is an frugal number, since it uses more digits than its factorization.

11788749312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9149 (or 9133 counting only the distinct ones).

The product of its digits is 677376, while the sum is 51.

The spelling of 11788749312 in words is "eleven billion, seven hundred eighty-eight million, seven hundred forty-nine thousand, three hundred twelve".