11996765928 has 64 divisors (see below), whose sum is σ = 38084976000. Its totient is φ = 3427646976.

The previous prime is 11996765909. The next prime is 11996765969. The reversal of 11996765928 is 82956769911.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3965673 + ... + 3968696.

It is an arithmetic number, because the mean of its divisors is an integer number (595077750).

Almost surely, 2^11996765928 is an apocalyptic number.

11996765928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11996765928 is an abundant number, since it is smaller than the sum of its proper divisors (26088210072).

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

11996765928 is a wasteful number, since it uses less digits than its factorization.

11996765928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7934391 (or 7934381 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 63.

It can be divided in two parts, 1199676 and 5928, that added together give a square (1205604 = 1098²).

The spelling of 11996765928 in words is "eleven billion, nine hundred ninety-six million, seven hundred sixty-five thousand, nine hundred twenty-eight".