91064111 has 2 divisors, whose sum is σ = 91064112. Its totient is φ = 91064110.

The previous prime is 91064059. The next prime is 91064117. The reversal of 91064111 is 11146019.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91064111 - 2⁶ = 91064047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91064117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45532055 + 45532056.

It is an arithmetic number, because the mean of its divisors is an integer number (45532056).

Almost surely, 2^91064111 is an apocalyptic number.

91064111 is a deficient number, since it is larger than the sum of its proper divisors (1).

91064111 is an equidigital number, since it uses as much as digits as its factorization.

91064111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 91064111 is about 9542.7517519843. The cubic root of 91064111 is about 449.8997488611.

The spelling of 91064111 in words is "ninety-one million, sixty-four thousand, one hundred eleven".