91825141975 has 24 divisors (see below), whose sum is σ = 132898065408. Its totient is φ = 61626108000.

The previous prime is 91825141937. The next prime is 91825141981. The reversal of 91825141975 is 57914152819.

It is not a de Polignac number, because 91825141975 - 2¹¹ = 91825139927 is a prime.

It is a Duffinian number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 5573851 + ... + 5590300.

It is an arithmetic number, because the mean of its divisors is an integer number (5537419392).

Almost surely, 2^91825141975 is an apocalyptic number.

91825141975 is a deficient number, since it is larger than the sum of its proper divisors (41072923433).

91825141975 is a wasteful number, since it uses less digits than its factorization.

91825141975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11164215 (or 11164210 counting only the distinct ones).

The product of its digits is 907200, while the sum is 52.

The spelling of 91825141975 in words is "ninety-one billion, eight hundred twenty-five million, one hundred forty-one thousand, nine hundred seventy-five".