11581396896 has 96 divisors (see below), whose sum is σ = 30780642816. Its totient is φ = 3812480000.

The previous prime is 11581396891. The next prime is 11581396901. The reversal of 11581396896 is 69869318511.

It is an interprime number because it is at equal distance from previous prime (11581396891) and next prime (11581396901).

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (11581396891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4468561 + ... + 4471151.

It is an arithmetic number, because the mean of its divisors is an integer number (320631696).

Almost surely, 2^11581396896 is an apocalyptic number.

11581396896 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 11581396896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15390321408).

11581396896 is an abundant number, since it is smaller than the sum of its proper divisors (19199245920).

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

11581396896 is a wasteful number, since it uses less digits than its factorization.

11581396896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166 (or 3158 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 57.

The spelling of 11581396896 in words is "eleven billion, five hundred eighty-one million, three hundred ninety-six thousand, eight hundred ninety-six".