11549898108 has 96 divisors (see below), whose sum is σ = 34251141120. Its totient is φ = 3297153600.

The previous prime is 11549898103. The next prime is 11549898167. The reversal of 11549898108 is 80189894511.

11549898108 is a `hidden beast` number, since 1 + 1 + 549 + 8 + 98 + 1 + 0 + 8 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11549898103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 977685 + ... + 989427.

It is an arithmetic number, because the mean of its divisors is an integer number (356782720).

Almost surely, 2^11549898108 is an apocalyptic number.

11549898108 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 11549898108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17125570560).

11549898108 is an abundant number, since it is smaller than the sum of its proper divisors (22701243012).

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

11549898108 is a wasteful number, since it uses less digits than its factorization.

11549898108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13064 (or 13056 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 54.

The spelling of 11549898108 in words is "eleven billion, five hundred forty-nine million, eight hundred ninety-eight thousand, one hundred eight".