91106948043 has 16 divisors (see below), whose sum is σ = 134980036000. Its totient is φ = 60734914560.

The previous prime is 91106948033. The next prime is 91106948047. The reversal of 91106948043 is 34084960119.

It is not a de Polignac number, because 91106948043 - 2⁴ = 91106948027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 91106948043.

It is not an unprimeable number, because it can be changed into a prime (91106948047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548883 + ... + 695331.

It is an arithmetic number, because the mean of its divisors is an integer number (8436252250).

Almost surely, 2^91106948043 is an apocalyptic number.

91106948043 is a deficient number, since it is larger than the sum of its proper divisors (43873087957).

91106948043 is a wasteful number, since it uses less digits than its factorization.

91106948043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169499 (or 169493 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 91106948043 in words is "ninety-one billion, one hundred six million, nine hundred forty-eight thousand, forty-three".