91265704850448 has 240 divisors, whose sum is σ = 263092870653184. Its totient is φ = 29517260855040.

The previous prime is 91265704850393. The next prime is 91265704850501. The reversal of 91265704850448 is 84405840756219.

It is a happy number.

91265704850448 is a `hidden beast` number, since 9 + 1 + 2 + 6 + 570 + 4 + 8 + 50 + 4 + 4 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2102341863 + ... + 2102385273.

Almost surely, 2^{91265704850448} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91265704850448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131546435326592).

91265704850448 is an abundant number, since it is smaller than the sum of its proper divisors (171827165802736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91265704850448 is a wasteful number, since it uses less digits than its factorization.

91265704850448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45714 (or 45705 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 63.

The spelling of 91265704850448 in words is "ninety-one trillion, two hundred sixty-five billion, seven hundred four million, eight hundred fifty thousand, four hundred forty-eight".