10991924603520 has 1024 divisors, whose sum is σ = 42340040064000. Its totient is φ = 2372390092800.

The previous prime is 10991924603509. The next prime is 10991924603557. The reversal of 10991924603520 is 2530642919901.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8448826870 + ... + 8448828170.

It is an arithmetic number, because the mean of its divisors is an integer number (41347695375).

Almost surely, 2^{10991924603520} is an apocalyptic number.

10991924603520 is a gapful number since it is divisible by the number (10) 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 10991924603520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21170020032000).

10991924603520 is an abundant number, since it is smaller than the sum of its proper divisors (31348115460480).

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

10991924603520 is a wasteful number, since it uses less digits than its factorization.

10991924603520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821 (or 1809 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 51.

The spelling of 10991924603520 in words is "ten trillion, nine hundred ninety-one billion, nine hundred twenty-four million, six hundred three thousand, five hundred twenty".