10659981312 has 288 divisors, whose sum is σ = 33005700000. Its totient is φ = 3304488960.

The previous prime is 10659981301. The next prime is 10659981313. The reversal of 10659981312 is 21318995601.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×10659981312² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10659981313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21362439 + ... + 21362937.

It is an arithmetic number, because the mean of its divisors is an integer number (114603125).

Almost surely, 2^10659981312 is an apocalyptic number.

10659981312 is a gapful number since it is divisible by the number (12) 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 10659981312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16502850000).

10659981312 is an abundant number, since it is smaller than the sum of its proper divisors (22345718688).

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

10659981312 is a wasteful number, since it uses less digits than its factorization.

10659981312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The spelling of 10659981312 in words is "ten billion, six hundred fifty-nine million, nine hundred eighty-one thousand, three hundred twelve".