11809496928 has 72 divisors (see below), whose sum is σ = 32105972808. Its totient is φ = 3800731648.

The previous prime is 11809496921. The next prime is 11809496977. The reversal of 11809496928 is 82969490811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11809496921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7600 + ... + 153872.

It is an arithmetic number, because the mean of its divisors is an integer number (445916289).

Almost surely, 2^11809496928 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 11809496928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16052986404).

11809496928 is an abundant number, since it is smaller than the sum of its proper divisors (20296475880).

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

11809496928 is a wasteful number, since it uses less digits than its factorization.

11809496928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146344 (or 146307 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 57.

The spelling of 11809496928 in words is "eleven billion, eight hundred nine million, four hundred ninety-six thousand, nine hundred twenty-eight".