11109796920 has 64 divisors (see below), whose sum is σ = 37032660000. Its totient is φ = 2962612224.

The previous prime is 11109796909. The next prime is 11109796961. The reversal of 11109796920 is 2969790111.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5142345 + ... + 5144504.

Almost surely, 2^11109796920 is an apocalyptic number.

11109796920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11109796920 is an abundant number, since it is smaller than the sum of its proper divisors (25922863080).

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

11109796920 is a wasteful number, since it uses less digits than its factorization.

11109796920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10286869 (or 10286859 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 45.

The spelling of 11109796920 in words is "eleven billion, one hundred nine million, seven hundred ninety-six thousand, nine hundred twenty".