108742216542 has 8 divisors (see below), whose sum is σ = 217484433096. Its totient is φ = 36247405512.

The previous prime is 108742216493. The next prime is 108742216549. The reversal of 108742216542 is 245612247801.

It is a sphenic number, since it is the product of 3 distinct primes.

108742216542 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 108742216494 and 108742216503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108742216549) 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, 9061851373 + ... + 9061851384.

It is an arithmetic number, because the mean of its divisors is an integer number (27185554137).

Almost surely, 2^108742216542 is an apocalyptic number.

108742216542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

108742216542 is a wasteful number, since it uses less digits than its factorization.

108742216542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18123702762.

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 108742216542 in words is "one hundred eight billion, seven hundred forty-two million, two hundred sixteen thousand, five hundred forty-two".