10919919100 has 18 divisors (see below), whose sum is σ = 23696224664. Its totient is φ = 4367967600.

The previous prime is 10919919071. The next prime is 10919919107. The reversal of 10919919100 is 191991901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10919919107) 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 5 ways as a sum of consecutive naturals, for example, 54599496 + ... + 54599695.

Almost surely, 2^10919919100 is an apocalyptic number.

10919919100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10919919100 is an abundant number, since it is smaller than the sum of its proper divisors (12776305564).

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

10919919100 is a wasteful number, since it uses less digits than its factorization.

10919919100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109199205 (or 109199198 counting only the distinct ones).

The product of its (nonzero) digits is 6561, while the sum is 40.

The spelling of 10919919100 in words is "ten billion, nine hundred nineteen million, nine hundred nineteen thousand, one hundred".