91543492210560 has 1024 divisors, whose sum is σ = 326540720701440. Its totient is φ = 21662053171200.

The previous prime is 91543492210531. The next prime is 91543492210613. The reversal of 91543492210560 is 6501229434519.

It is a super-2 number, since 2×91543492210560² (a number of 29 digits) contains 22 as substring.

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 127 ways as a sum of consecutive naturals, for example, 104382544842 + ... + 104382545718.

It is an arithmetic number, because the mean of its divisors is an integer number (318887422560).

Almost surely, 2^{91543492210560} 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 91543492210560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163270360350720).

91543492210560 is an abundant number, since it is smaller than the sum of its proper divisors (234997228490880).

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

91543492210560 is a wasteful number, since it uses less digits than its factorization.

91543492210560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687 (or 1675 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 51.

The spelling of 91543492210560 in words is "ninety-one trillion, five hundred forty-three billion, four hundred ninety-two million, two hundred ten thousand, five hundred sixty".