11499056896 has 36 divisors (see below), whose sum is σ = 23018399712. Its totient is φ = 5733195776.

The previous prime is 11499056893. The next prime is 11499056897. The reversal of 11499056896 is 69865099411.

It is a self number, because there is not a number n which added to its sum of digits gives 11499056896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11499056893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26745 + ... + 153991.

It is an arithmetic number, because the mean of its divisors is an integer number (639399992).

Almost surely, 2^11499056896 is an apocalyptic number.

11499056896 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 11499056896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11509199856).

11499056896 is an abundant number, since it is smaller than the sum of its proper divisors (11519342816).

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

11499056896 is an equidigital number, since it uses as much as digits as its factorization.

11499056896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127616 (or 127602 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 58.

The spelling of 11499056896 in words is "eleven billion, four hundred ninety-nine million, fifty-six thousand, eight hundred ninety-six".