10919100091999 has 16 divisors (see below), whose sum is σ = 12209730807456. Its totient is φ = 9678429414400.

The previous prime is 10919100091981. The next prime is 10919100092057. The reversal of 10919100091999 is 99919000191901.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10919100091999 - 2¹³ = 10919100083807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10919100091979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6656602 + ... + 8133175.

It is an arithmetic number, because the mean of its divisors is an integer number (763108175466).

Almost surely, 2^{10919100091999} is an apocalyptic number.

10919100091999 is a deficient number, since it is larger than the sum of its proper divisors (1290630715457).

10919100091999 is a wasteful number, since it uses less digits than its factorization.

10919100091999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14791466.

The product of its (nonzero) digits is 531441, while the sum is 58.

The spelling of 10919100091999 in words is "ten trillion, nine hundred nineteen billion, one hundred million, ninety-one thousand, nine hundred ninety-nine".