10999359424 has 56 divisors (see below), whose sum is σ = 22637343600. Its totient is φ = 5296435200.

The previous prime is 10999359409. The next prime is 10999359443. The reversal of 10999359424 is 42495399901.

It is a super-2 number, since 2×10999359424² (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 7 ways as a sum of consecutive naturals, for example, 736867 + ... + 751645.

Almost surely, 2^10999359424 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 10999359424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11318671800).

10999359424 is an abundant number, since it is smaller than the sum of its proper divisors (11637984176).

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

10999359424 is a wasteful number, since it uses less digits than its factorization.

10999359424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15221 (or 15211 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 55.

The spelling of 10999359424 in words is "ten billion, nine hundred ninety-nine million, three hundred fifty-nine thousand, four hundred twenty-four".