91353068915 has 8 divisors (see below), whose sum is σ = 109625924688. Its totient is φ = 73080960480.

The previous prime is 91353068887. The next prime is 91353068923. The reversal of 91353068915 is 51986035319.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 91353068915 - 2¹² = 91353064819 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 131360 + ... + 447170.

It is an arithmetic number, because the mean of its divisors is an integer number (13703240586).

Almost surely, 2^91353068915 is an apocalyptic number.

91353068915 is a deficient number, since it is larger than the sum of its proper divisors (18272855773).

91353068915 is a wasteful number, since it uses less digits than its factorization.

91353068915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373669.

The product of its (nonzero) digits is 874800, while the sum is 50.

The spelling of 91353068915 in words is "ninety-one billion, three hundred fifty-three million, sixty-eight thousand, nine hundred fifteen".