109011830091 has 16 divisors (see below), whose sum is σ = 145981958400. Its totient is φ = 72358471328.

The previous prime is 109011830051. The next prime is 109011830113. The reversal of 109011830091 is 190038110901.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 109011830091 - 2⁶ = 109011830027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109011830021) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1254820 + ... + 1338878.

It is an arithmetic number, because the mean of its divisors is an integer number (9123872400).

Almost surely, 2^109011830091 is an apocalyptic number.

109011830091 is a deficient number, since it is larger than the sum of its proper divisors (36970128309).

109011830091 is a wasteful number, since it uses less digits than its factorization.

109011830091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85938.

The product of its (nonzero) digits is 1944, while the sum is 33.

Adding to 109011830091 its reverse (190038110901), we get a palindrome (299049940992).

The spelling of 109011830091 in words is "one hundred nine billion, eleven million, eight hundred thirty thousand, ninety-one".