10999408368 has 80 divisors (see below), whose sum is σ = 30668099616. Its totient is φ = 3377003520.

The previous prime is 10999408367. The next prime is 10999408403. The reversal of 10999408368 is 86380499901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10999408367) 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 15 ways as a sum of consecutive naturals, for example, 268546 + ... + 306782.

Almost surely, 2^10999408368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10999408368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15334049808).

10999408368 is an abundant number, since it is smaller than the sum of its proper divisors (19668691248).

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

10999408368 is a wasteful number, since it uses less digits than its factorization.

10999408368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38722 (or 38716 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 57.

The spelling of 10999408368 in words is "ten billion, nine hundred ninety-nine million, four hundred eight thousand, three hundred sixty-eight".