10091109091 has 8 divisors (see below), whose sum is σ = 11930375520. Its totient is φ = 8351262528.

The previous prime is 10091109089. The next prime is 10091109097. The reversal of 10091109091 is 19090119001.

10091109091 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10091109091 - 2¹ = 10091109089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10091109097) 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, 24854746 + ... + 24855151.

It is an arithmetic number, because the mean of its divisors is an integer number (1491296940).

Almost surely, 2^10091109091 is an apocalyptic number.

10091109091 is a deficient number, since it is larger than the sum of its proper divisors (1839266429).

10091109091 is an equidigital number, since it uses as much as digits as its factorization.

10091109091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49709933.

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

The spelling of 10091109091 in words is "ten billion, ninety-one million, one hundred nine thousand, ninety-one".