109242054507 has 4 divisors (see below), whose sum is σ = 145656072680. Its totient is φ = 72828036336.

The previous prime is 109242054497. The next prime is 109242054521. The reversal of 109242054507 is 705450242901.

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

It is not a de Polignac number, because 109242054507 - 2⁷ = 109242054379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109242554507) 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, 18207009082 + ... + 18207009087.

It is an arithmetic number, because the mean of its divisors is an integer number (36414018170).

Almost surely, 2^109242054507 is an apocalyptic number.

109242054507 is a deficient number, since it is larger than the sum of its proper divisors (36414018173).

109242054507 is an equidigital number, since it uses as much as digits as its factorization.

109242054507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36414018172.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 109242054507 in words is "one hundred nine billion, two hundred forty-two million, fifty-four thousand, five hundred seven".