91568750075 has 12 divisors (see below), whose sum is σ = 123867545928. Its totient is φ = 66595454400.

The previous prime is 91568750051. The next prime is 91568750083. The reversal of 91568750075 is 57005786519.

It is not a de Polignac number, because 91568750075 - 2²⁴ = 91551972859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91568749999 and 91568750026.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 166488362 + ... + 166488911.

It is an arithmetic number, because the mean of its divisors is an integer number (10322295494).

Almost surely, 2^91568750075 is an apocalyptic number.

91568750075 is a deficient number, since it is larger than the sum of its proper divisors (32298795853).

91568750075 is a wasteful number, since it uses less digits than its factorization.

91568750075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332977294 (or 332977289 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 53.

The spelling of 91568750075 in words is "ninety-one billion, five hundred sixty-eight million, seven hundred fifty thousand, seventy-five".