109576072543 has 4 divisors (see below), whose sum is σ = 125229797200. Its totient is φ = 93922347888.

The previous prime is 109576072519. The next prime is 109576072561. The reversal of 109576072543 is 345270675901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345270675901 = 14699 ⋅23489399.

It is a cyclic number.

It is not a de Polignac number, because 109576072543 - 2²¹ = 109573975391 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 (109576072343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7826862318 + ... + 7826862331.

It is an arithmetic number, because the mean of its divisors is an integer number (31307449300).

Almost surely, 2^109576072543 is an apocalyptic number.

109576072543 is a deficient number, since it is larger than the sum of its proper divisors (15653724657).

109576072543 is an equidigital number, since it uses as much as digits as its factorization.

109576072543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15653724656.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 109576072543 in words is "one hundred nine billion, five hundred seventy-six million, seventy-two thousand, five hundred forty-three".