91104456091 has 8 divisors (see below), whose sum is σ = 99408582000. Its totient is φ = 82803980640.

The previous prime is 91104456041. The next prime is 91104456103. The reversal of 91104456091 is 19065440119.

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 91104456091 - 2¹³ = 91104447899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91104456041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860296 + ... + 960373.

It is an arithmetic number, because the mean of its divisors is an integer number (12426072750).

Almost surely, 2^91104456091 is an apocalyptic number.

91104456091 is a deficient number, since it is larger than the sum of its proper divisors (8304125909).

91104456091 is a wasteful number, since it uses less digits than its factorization.

91104456091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825229.

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 91104456091 in words is "ninety-one billion, one hundred four million, four hundred fifty-six thousand, ninety-one".