10999663584 has 192 divisors, whose sum is σ = 36141396480. Its totient is φ = 2851706880.

The previous prime is 10999663541. The next prime is 10999663621. The reversal of 10999663584 is 48536699901.

It is a super-2 number, since 2×10999663584² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504754 + ... + 526094.

It is an arithmetic number, because the mean of its divisors is an integer number (188236440).

Almost surely, 2^10999663584 is an apocalyptic number.

10999663584 is a gapful number since it is divisible by the number (14) 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 10999663584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18070698240).

10999663584 is an abundant number, since it is smaller than the sum of its proper divisors (25141732896).

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

10999663584 is a wasteful number, since it uses less digits than its factorization.

10999663584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21433 (or 21425 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 60.

The spelling of 10999663584 in words is "ten billion, nine hundred ninety-nine million, six hundred sixty-three thousand, five hundred eighty-four".