91533095475 has 12 divisors (see below), whose sum is σ = 151334717976. Its totient is φ = 48817650880.

The previous prime is 91533095449. The next prime is 91533095503. The reversal of 91533095475 is 57459033519.

It is not a de Polignac number, because 91533095475 - 2¹⁴ = 91533079091 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 610220562 + ... + 610220711.

It is an arithmetic number, because the mean of its divisors is an integer number (12611226498).

Almost surely, 2^91533095475 is an apocalyptic number.

91533095475 is a deficient number, since it is larger than the sum of its proper divisors (59801622501).

91533095475 is a wasteful number, since it uses less digits than its factorization.

91533095475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220441286 (or 1220441281 counting only the distinct ones).

The product of its (nonzero) digits is 2551500, while the sum is 51.

The spelling of 91533095475 in words is "ninety-one billion, five hundred thirty-three million, ninety-five thousand, four hundred seventy-five".