108371513556121 has 8 divisors (see below), whose sum is σ = 108454841237000. Its totient is φ = 108288217215360.

The previous prime is 108371513556079. The next prime is 108371513556179. The reversal of 108371513556121 is 121655315173801.

It can be written as a sum of positive squares in 4 ways, for example, as 5494898574400 + 102876614981721 = 2344120^2 + 10142811^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 108371513556121 - 2¹³ = 108371513547929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108371513556421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914190 + ... + 14750551.

It is an arithmetic number, because the mean of its divisors is an integer number (13556855154625).

Almost surely, 2^{108371513556121} is an apocalyptic number.

It is an amenable number.

108371513556121 is a deficient number, since it is larger than the sum of its proper divisors (83327680879).

108371513556121 is a wasteful number, since it uses less digits than its factorization.

108371513556121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15670059.

The product of its (nonzero) digits is 756000, while the sum is 49.

The spelling of 108371513556121 in words is "one hundred eight trillion, three hundred seventy-one billion, five hundred thirteen million, five hundred fifty-six thousand, one hundred twenty-one".