11010110091 has 24 divisors (see below), whose sum is σ = 15241563792. Its totient is φ = 7063848000.

The previous prime is 11010110047. The next prime is 11010110099. The reversal of 11010110091 is 19001101011.

It is not a de Polignac number, because 11010110091 - 2¹³ = 11010101899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11010110091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010110099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11109606 + ... + 11110596.

It is an arithmetic number, because the mean of its divisors is an integer number (635065158).

Almost surely, 2^11010110091 is an apocalyptic number.

11010110091 is a deficient number, since it is larger than the sum of its proper divisors (4231453701).

11010110091 is an frugal number, since it uses more digits than its factorization.

11010110091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123 (or 1132 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 15.

The spelling of 11010110091 in words is "eleven billion, ten million, one hundred ten thousand, ninety-one".