11000919091 has 8 divisors (see below), whose sum is σ = 11112306768. Its totient is φ = 10889580000.

The previous prime is 11000919071. The next prime is 11000919103. The reversal of 11000919091 is 19091900011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11000919091 - 2⁷ = 11000918963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11000919031) 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, 594976 + ... + 613186.

It is an arithmetic number, because the mean of its divisors is an integer number (1389038346).

Almost surely, 2^11000919091 is an apocalyptic number.

11000919091 is a deficient number, since it is larger than the sum of its proper divisors (111387677).

11000919091 is a wasteful number, since it uses less digits than its factorization.

11000919091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24293.

The product of its (nonzero) digits is 729, while the sum is 31.

The spelling of 11000919091 in words is "eleven billion, nine hundred nineteen thousand, ninety-one".