10999503216 has 200 divisors, whose sum is σ = 34483633184. Its totient is φ = 3364830720.

The previous prime is 10999503211. The next prime is 10999503257. The reversal of 10999503216 is 61230599901.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10999503211) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3047685 + ... + 3051291.

Almost surely, 2^10999503216 is an apocalyptic number.

10999503216 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 10999503216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17241816592).

10999503216 is an abundant number, since it is smaller than the sum of its proper divisors (23484129968).

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

10999503216 is a wasteful number, since it uses less digits than its factorization.

10999503216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3821 (or 3806 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The spelling of 10999503216 in words is "ten billion, nine hundred ninety-nine million, five hundred three thousand, two hundred sixteen".