91441414111 has 16 divisors (see below), whose sum is σ = 96799380480. Its totient is φ = 86199615040.

The previous prime is 91441414033. The next prime is 91441414139. The reversal of 91441414111 is 11141414419.

It is a cyclic number.

It is not a de Polignac number, because 91441414111 - 2⁹ = 91441413599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91441418111) 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 15 ways as a sum of consecutive naturals, for example, 4730955 + ... + 4750243.

It is an arithmetic number, because the mean of its divisors is an integer number (6049961280).

Almost surely, 2^91441414111 is an apocalyptic number.

91441414111 is a deficient number, since it is larger than the sum of its proper divisors (5357966369).

91441414111 is a wasteful number, since it uses less digits than its factorization.

91441414111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22286.

The product of its digits is 2304, while the sum is 31.

The spelling of 91441414111 in words is "ninety-one billion, four hundred forty-one million, four hundred fourteen thousand, one hundred eleven".