91711045 has 8 divisors (see below), whose sum is σ = 112612896. Its totient is φ = 71662416.

The previous prime is 91711033. The next prime is 91711063. The reversal of 91711045 is 54011719.

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 91711045 - 2⁷ = 91710917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213067 + ... + 213496.

It is an arithmetic number, because the mean of its divisors is an integer number (14076612).

Almost surely, 2^91711045 is an apocalyptic number.

It is an amenable number.

91711045 is a deficient number, since it is larger than the sum of its proper divisors (20901851).

91711045 is a wasteful number, since it uses less digits than its factorization.

91711045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426611.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 91711045 is about 9576.5883800026. The cubic root of 91711045 is about 450.9626224548.

The spelling of 91711045 in words is "ninety-one million, seven hundred eleven thousand, forty-five".