108215492836 has 18 divisors (see below), whose sum is σ = 208158314630. Its totient is φ = 49188860160.

The previous prime is 108215492797. The next prime is 108215492837. The reversal of 108215492836 is 638294512801.

It can be written as a sum of positive squares in only one way, i.e., 78655567936 + 29559924900 = 280456^2 + 171930^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 108215492836.

It is not an unprimeable number, because it can be changed into a prime (108215492837) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111792381 + ... + 111793348.

Almost surely, 2^108215492836 is an apocalyptic number.

It is an amenable number.

108215492836 is a deficient number, since it is larger than the sum of its proper divisors (99942821794).

108215492836 is a wasteful number, since it uses less digits than its factorization.

108215492836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223585755 (or 223585742 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 108215492836 in words is "one hundred eight billion, two hundred fifteen million, four hundred ninety-two thousand, eight hundred thirty-six".