108961088543 has 4 divisors (see below), whose sum is σ = 108962406168. Its totient is φ = 108959770920.

The previous prime is 108961088531. The next prime is 108961088557. The reversal of 108961088543 is 345880169801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 108961088543 - 2⁶ = 108961088479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108961088503) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 525821 + ... + 703142.

It is an arithmetic number, because the mean of its divisors is an integer number (27240601542).

Almost surely, 2^108961088543 is an apocalyptic number.

108961088543 is a deficient number, since it is larger than the sum of its proper divisors (1317625).

108961088543 is an equidigital number, since it uses as much as digits as its factorization.

108961088543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317624.

The product of its (nonzero) digits is 1658880, while the sum is 53.

The spelling of 108961088543 in words is "one hundred eight billion, nine hundred sixty-one million, eighty-eight thousand, five hundred forty-three".