10919394612 has 108 divisors (see below), whose sum is σ = 32202555840. Its totient is φ = 3110661792.

The previous prime is 10919394557. The next prime is 10919394623. The reversal of 10919394612 is 21649391901.

10919394612 is a `hidden beast` number, since 10 + 9 + 19 + 3 + 9 + 4 + 612 = 666.

10919394612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 603189 + ... + 621027.

Almost surely, 2^10919394612 is an apocalyptic number.

10919394612 is a gapful number since it is divisible by the number (12) 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 10919394612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16101277920).

10919394612 is an abundant number, since it is smaller than the sum of its proper divisors (21283161228).

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

10919394612 is a wasteful number, since it uses less digits than its factorization.

10919394612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18210 (or 18198 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The spelling of 10919394612 in words is "ten billion, nine hundred nineteen million, three hundred ninety-four thousand, six hundred twelve".