108454909015 has 4 divisors (see below), whose sum is σ = 130145890824. Its totient is φ = 86763927208.

The previous prime is 108454909007. The next prime is 108454909019. The reversal of 108454909015 is 510909454801.

It is a happy number.

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 108454909015 - 2³ = 108454909007 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 (108454909019) 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, 10845490897 + ... + 10845490906.

It is an arithmetic number, because the mean of its divisors is an integer number (32536472706).

Almost surely, 2^108454909015 is an apocalyptic number.

108454909015 is a deficient number, since it is larger than the sum of its proper divisors (21690981809).

108454909015 is an equidigital number, since it uses as much as digits as its factorization.

108454909015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21690981808.

The product of its (nonzero) digits is 259200, while the sum is 46.

The spelling of 108454909015 in words is "one hundred eight billion, four hundred fifty-four million, nine hundred nine thousand, fifteen".