10919111020 has 24 divisors (see below), whose sum is σ = 23306039568. Its totient is φ = 4296043200.

The previous prime is 10919111003. The next prime is 10919111029. The reversal of 10919111020 is 2011191901.

It is not an unprimeable number, because it can be changed into a prime (10919111029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4473826 + ... + 4476265.

It is an arithmetic number, because the mean of its divisors is an integer number (971084982).

Almost surely, 2^10919111020 is an apocalyptic number.

10919111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10919111020 is an abundant number, since it is smaller than the sum of its proper divisors (12386928548).

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

10919111020 is a wasteful number, since it uses less digits than its factorization.

10919111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8950161 (or 8950159 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 25.

The spelling of 10919111020 in words is "ten billion, nine hundred nineteen million, one hundred eleven thousand, twenty".