11544889608 has 192 divisors, whose sum is σ = 37395648000. Its totient is φ = 3290523264.

The previous prime is 11544889553. The next prime is 11544889613. The reversal of 11544889608 is 80698844511.

It is a happy number.

11544889608 is a `hidden beast` number, since 1 + 1 + 544 + 8 + 8 + 96 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5386185 + ... + 5388327.

It is an arithmetic number, because the mean of its divisors is an integer number (194769000).

Almost surely, 2^11544889608 is an apocalyptic number.

11544889608 is a gapful number since it is divisible by the number (18) 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 11544889608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18697824000).

11544889608 is an abundant number, since it is smaller than the sum of its proper divisors (25850758392).

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

11544889608 is a wasteful number, since it uses less digits than its factorization.

11544889608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681 (or 2664 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 54.

The spelling of 11544889608 in words is "eleven billion, five hundred forty-four million, eight hundred eighty-nine thousand, six hundred eight".